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Captiva 1 (2006-2018)
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  • 1 (2006-2018)
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  • Diagnostics of locks and electric windows

Diagnostics of locks and electric windows (Chevrolet Captiva 1)

            0

Contents: Signs of malfunction - doors ↧ Electric windows not working - all ↧ Electric window not working - one… ↧ Electric window not working - one… ↧ The windows don't work - quick down… ↧ The windows do not work - the… ↧ Door open indicator malfunction ↧ Electric door locks not working ↧ Electric door locks not working -… ↧ Electric door locks not working -… ↧ Electric door locks not working -… ↧

Signs of malfunction - doors



Visual inspection / physical control



Some symptom diagnostic procedures require a thorough visual inspection/physical check. This step is extremely important - it can lead to the solution of the problem without further checks and save valuable time. These checks include the following:
  • Inspect easily accessible or visible wiring harness components and connectors for obvious signs of damage or conditions that could cause this symptom.

Intermittent faults



Important: Check that the electrical components are installed correctly when an intermittent fault occurs. Inspect aftermarket anti-theft devices, lights, and mobile phones. Ensure that no aftermarket equipment is connected to Class 2 circuits. If the cause of the intermittent fault cannot be determined, the mobile phone signal may be the cause. Faulty electrical connections or wiring may also cause intermittent faults.


Important: When a problem occurs, a fault code may or may not be issued. Do not use the fault finding tables to diagnose intermittent faults. To successfully troubleshoot a fault, the fault must be confirmed.




Most intermittent faults are caused by faulty connections and wiring. Perform a thorough inspection and physical check for the following conditions.
  • Unreliable connection of the mating parts of the connectors or loose insertion of the terminal into the connector body.
  • Deformed or damaged terminals.
  • Straighten or replace the connector terminals in the suspected fault circuit to ensure good contact.
  • To check the reliability of the wire connection to the terminal, it is necessary to remove the terminal from the connector housing.

Electric windows not working - all



Step Operation Values Yes No
1
Has the vehicle system diagnostic check been completed?
-
Go to Step 2
Check the vehicle with a diagnostic tool.
2
Check the operation of all power windows from all power window control switches. Do all power windows operate normally from all power window control switches?
-
Jump to section 9A, "Checking Body Wiring Systems for Intermittent Faults and Contact Problems."
Go to Step 3
3
Does any power window operate from any window control switch?
-
Go to section "Signs of malfunction - doors"
Go to Step 4
4
  1. Disconnect the power window master switch connector.
  2. Turn on the ignition with the engine off.
  3. Connect a test lamp between the auxiliary voltage circuit at the power window main switch connector and a good ground.
Is the indicator light on?
-
Go to Step 5
Go to Step 6
5
Connect a test lamp between the auxiliary voltage circuit and the ground circuit at the power window main switch connector.
Is the indicator light on?
-
Go to Step 10
Go to Step 13
6
  1. Turn off the ignition.
  2. Remove the electric window relay.
  3. Connect a test light between the battery positive voltage circuit of the power window relay at the power window relay connector and a good ground.
Is the indicator light on?
-
Go to Step 8
Go to Step 7
7
Test the following power window master switch circuits for shorts to ground:
  • Left front window lift up button
  • Left front window lift down button
  • Power window master switch signal for left rear window up
  • Power window master switch signal for left rear window down
  • Left rear window switch lock signal from main power window switch
  • Right rear window switch lock signal from main power window switch
  • Power window master switch signal for right rear window up
  • Power window master switch signal for right rear window down
  • Right front window lift up button
  • Right front window lift down button
  • Left rear window lift up button
  • Left rear window lift down button
  • Right rear window lift up button
  • Right rear window lift down button
Has the cause been found and corrected?
-
Go to Step 17
Go to Step 12
8
Connect a test light between the battery positive voltage circuit and the ground circuit at the power window master switch relay connector.
Is the indicator light on?
-
Go to Step 9
Go to Step 14
9
Check the auxiliary voltage circuit at the main power window switch for an open or high resistance.
Has the cause been found and corrected?
-
Go to Step 17
Go to Step 11
10
Inspect the power window master switch connector for poor connections.
Has the cause been found and corrected?
-
Go to Step 17
Go to Step 16
11
Inspect the power window master switch relay connector for poor connections.
Has the cause been found and corrected?
-
Go to Step 17
Go to Step 15
12
Repair short to ground in auxiliary voltage circuit at power window main switch.
Is the renovation finished?
-
Go to Step 17
-
13
Repair open or high resistance in the ground circuit of the main switch for electric windows.
Is the renovation finished?
-
Go to Step 17
-
14
Eliminate open circuit or increased resistance in the ground circuit of the electric window lift relay.
Is the renovation finished?
-
Go to Step 17
-
15
Replace the power window relay.
Is the replacement complete?
-
Go to Step 17
-
16
Replace the power window master switch.
Is the replacement complete?
-
Go to Step 17
-
17
Operate the system to check if the problem has been corrected.
Has the cause been eliminated?
-
The system is normal
Go to Step 2





Electric window not working - one (front power windows)



Description of the test



The numbers below represent steps in the diagnostic chart.

If the rear power windows operate normally from the main switch, the auxiliary voltage and ground circuits can be assumed to be good.

3. The rear power window controls on the main switch share common auxiliary voltage and ground circuits with the front power windows.

Step Operation Values Yes No
1
Have you read the description of the device and operation of electric windows?
-
Go to Step 2
Go to section "Signs of malfunction - doors"
2
  1. Turn on the ignition with the engine off.
  2. Check the operation of the front power windows from the power window main switch.
Check the operation of all power windows from all power window control switches. Do all power windows operate normally from all power window control switches?
-
Jump to section 9A, "Checking Body Wiring Systems for Intermittent Faults and Contact Problems."
Go to Step 3
3
Check the operation of the rear power windows from the main power window switch.
Do the rear windows work properly?
-
Go to Step 4
Go to section "Power windows not working - all"
4
  1. Disconnect the electric motor of the inoperative front window lifter.
  2. Connect the test lamp to a reliable ground.
  3. Check the window lift circuit at the window lift motor wiring harness connector.
  4. Press the power window switch up.
Is the indicator light on?
-
Go to Step 5
Go to Step 7
5
  1. With the test light still connected to a good ground, check the window down circuit at the window motor wiring harness connector.
  2. Press the power window switch down.
Is the indicator light on?
-
Go to Step 6
Go to Step 8
6
  1. Connect a test lamp between the window up and window down circuits on the window lift motor wiring harness connector.
  2. Press the power window switch up and down.
Does the indicator light come on in both directions?
-
Go to Step 10
Go to Step 9
7
Check the circuits for open or short to ground.
Has the cause been found and corrected?
-
Go to Step 13
Go to Step 9
8
Check the window lift motor lowering circuit for increased resistance, open circuit, or short to ground.
Has the cause been found and corrected?
-
Go to Step 13
Go to Step 10
9
Inspect the main power window switch for poor connections.
Has the cause been found and corrected?
-
Go to Step 13
Go to Step 11
10
Inspect the windshield wiper motor for poor contact.
Has the cause been found and corrected?
-
Go to Step 13
Go to Step 12
11
Replace the power window master switch.
Is the replacement complete?
-
Go to Step 13
-
12
Replace the electric window motor.
Is the replacement complete?
-
Go to Step 13
-
13
Operate the system to check if the problem has been corrected.
Has the cause been eliminated?
-
The system is normal
Go to Step 2





Electric window not working - one (rear windows)



Step Operation Values Yes No
1
Have you read the description of the device and operation of electric windows?
-
Go to Step 2
Go to section "Signs of malfunction - doors"
2
  1. Turn on the ignition with the engine off.
  2. Set the power window lock switch to the OFF position.
  3. Check the up and down movement of the rear passenger windows from both rear passenger switches and the main power window control switch.
Do the rear passenger windows work properly when operated from both switches?
-
Jump to section 9A, "Checking Body Wiring Systems for Intermittent Faults and Contact Problems."
Go to Step 3
3
Does the rear passenger window work when operated from the main power window switch and not work from the rear passenger switch?
-
Go to Step 5
Go to Step 4
4
Does the rear passenger window operate from the rear switch and not from the main power window switch?
-
Go to Step 6
Go to Step 7
5
  1. Disconnect the passenger power window switch.
  2. Connect a test light between the power window lock control circuit at the passenger power window switch harness connector and a good ground.
Is the indicator light on?
-
Go to Step 17
Go to Step 12
6
Does the driver's window operate when controlled from the main power window switch?
-
Go to Step 20
Go to section "Power windows not working - all"
7
  1. Disconnect the passenger power window motor.
  2. Connect a test light between the window lift motor circuit at the passenger window lift motor harness connector and a good ground.
  3. Check the passenger window lift when operated from the main power window switch.
Did the indicator light come on?
-
Go to Step 8
Go to Step 10
8
  1. Connect a test light between the window lift motor down circuit at the passenger window lift motor wiring harness connector and a good ground.
  2. Connect a test light between the window lift motor circuit at the passenger window lift motor harness connector and a good ground.
Is the indicator light on?
-
Go to Step 9
Go to Step 11
9
  1. Connect a test lamp between the window up and window down circuits on the passenger window motor wiring harness connector.
  2. Check the operation of the passenger electric window up and down.
Does the indicator light come on in both directions?
-
Go to Step 18
Go to Step 19
10
  1. Disconnect the passenger power window switch.
  2. Connect a test light between the main switch lift signal circuit at the passenger power window switch harness connector and a good ground.
Check to raise the passenger window using the main power window switch. Does the indicator light come on?
-
Go to Step 15
Go to Step 13
11
  1. Disconnect the passenger power window switch.
  2. Connect a test light between the main switch down signal circuit at the passenger power window switch harness connector and a good ground.
  3. Check the lowering of the passenger window when controlled from the main switch of the electric windows.
Did the indicator light come on?
-
Go to Step 16
Go to Step 14
12
Check the power window lock control circuit for high resistance or open circuit.
Has the cause been found and corrected?
-
Go to Step 23
Go to Step 20
13
Check the power window up signal circuit at the main power window switch for high resistance or open circuit.
Has the cause been found and corrected?
-
Go to Step 23
Go to Step 19
14
Check the power window down signal circuit at the main power window switch for high resistance or open circuit.
Has the cause been found and corrected?
-
Go to Step 23
Go to Step 19
15
Check the window lift control circuit on the window lift motor for increased resistance or an open circuit.
Has the cause been found and corrected?
-
Go to Step 23
Go to Step 17
16
Check the window lowering control circuit on the window lift motor for increased resistance or an open circuit.
Has the cause been found and corrected?
-
Go to Step 23
Go to Step 17
17
Inspect the passenger power window switch for poor connections.
Has the cause been found and corrected?
-
Go to Step 23
Go to Step 22
18
Inspect the passenger window motor for poor contact.
Has the cause been found and corrected?
-
Go to Step 23
Go to Step 21
19
Inspect the main power window switch for poor connections.
Has the cause been found and corrected?
-
Go to Step 23
Go to Step 20
20
Replace the power window master switch.
Is the replacement complete?
-
Go to Step 23
-
21
Replace the rear passenger window motor.
Is the replacement complete?
-
Go to Step 23
-
22
Replace the passenger power window switch.
Is the replacement complete?
-
Go to Step 23
-
23
Operate the system to check if the problem has been corrected.
Has the cause been eliminated?
-
The system is normal
Go to Step 2





The windows don't work - quick down function



Step Operation Values Yes No
1
Has the vehicle system diagnostic check been completed?
-
Go to Step 2
Check the vehicle with a diagnostic tool.
2
Check the operation of the driver's window.
Does the window regulator work normally except for the quick down function?
-
Go to Step 3
Go to section "Signs of malfunction - doors"
3
Replace the driver's power window switch.
Is the renovation finished?
-
Go to Step 4
-
4
Test the system to see if the problem has been resolved.
Has the cause been eliminated?
-
The system is normal
Go to Step 2


The windows do not work - the locking function



Step Operation Values Yes No
1
Has the vehicle system diagnostic check been completed?
-
Go to Step 2
Check the vehicle with a diagnostic tool.
2
Verify that the rear window lock function does not operate normally.
Is the lock function working properly?
-
Jump to section 9A, "Checking Body Wiring Systems for Intermittent Faults and Contact Problems."
Go to Step 3
3
Important: Make sure that the power window switch lock is not activated.
  1. Turn off the ignition.
  2. Disconnect the front power window switch.
  3. Check the lock signal circuit at the front power window switch for a short to voltage.
Has the cause been found and corrected?
-
Go to Step 5
Go to Step 4
4
Replace the front power window switch.
Is the renovation finished?
-
Go to Step 5
-
5
Operate the system to check if the problem has been corrected.
Has the cause been eliminated?
-
The system is normal
Go to Step 2


Door open indicator malfunction



Step Operation Values Yes No
1
Has the vehicle system diagnostic check been completed?
-
Go to Step 2
Check the vehicle with a diagnostic tool.
2
Open and close the driver and passenger doors alternately while observing the instrument cluster (IPC).
Do the door open indicators work properly?
-
Jump to section 9A, "Checking Body Wiring Systems for Intermittent Faults and Contact Problems."
Go to Step 3
3
Do the interior lights work properly when opening and closing each door?
-
Go to Step 4
Go to item "Signs of Malfunction - Lighting Systems" in Section 9B, "Lighting Systems".
4
Replace IPC instrument cluster.
Is the replacement complete?
-
Go to Step 5
-
5
Operate the system to check if the problem has been corrected.
Has the cause been eliminated?
-
The system is normal
Go to Step 2





Electric door locks not working



Electric door locks not working - all doors and switches



Step Operation Values Yes No
1
Has the vehicle system diagnostic check been completed?
-
Go to Step 2
Check the vehicle with a diagnostic tool.
2
Make sure that all door locks and switches are not working.
Do the power door locks work properly?
-
Jump to section 9A, "Checking Body Wiring Systems for Intermittent Faults and Contact Problems."
Go to Step 3
3
  1. Install the diagnostic tool.
  2. Turn on the ignition with the engine off.
  3. Using the diagnostic tool, issue a command to lock and unlock the doors.
Do the door lock actuators lock and unlock the doors in accordance with the command given?
-
Go to Step 4
Go to Step 5
4
LOCK/MIRROR fuse blown (LOCK/MIRROR)?
-
Go to Step 8
Go to Step 5
5
DR LCK fuse blown (DOOR LOCK)?
-
Go to Step 9
Go to Step 6
6
Check the battery positive voltage circuit at the key switches for an open or high resistance.
Has the cause been found and corrected?
-
Go to Step 11
Go to Step 7
7
Inspect the body control module (BCM) for poor connections.
Has the cause been found and corrected?
-
Go to Step 11
Go to Step 10
8
Repair the short to ground in one of the following driver or passenger door lock switch circuits:
  • Positive battery voltage
  • Locking circuit on the passenger door lock switch
  • Unlock circuit on passenger door lock switch
Is the renovation finished?
-
Go to Step 11
-
9
Repair short to ground in one of the following circuits:
  • Unlock chain on driver's door lock actuator
  • Locking chain on the door lock actuator
  • Release chain on the door lock actuator
Is the renovation finished?
-
Go to Step 11
-
10
Replace BCM controller.
Is the replacement complete?
-
Go to Step 11
-
11
Operate the system to check if the problem has been corrected.
Has the cause been found and corrected?
-
The system is normal
Go to Step 2


Electric door locks not working - one door or switch



Step Operation Values Yes No
1
Has the vehicle system diagnostic check been completed?
-
Go to Step 2
Check the vehicle with a diagnostic tool.
2
Make sure there is a malfunction - one switch or door lock drive does not work.
Do the power door locks work properly?
-
Jump to section 9A, "Checking Body Wiring Systems for Intermittent Faults and Contact Problems."
Go to Step 3
3
Is the door lock switch the faulty component?
-
Go to Step 4
Go to Step 6
4
Both LOCK and UNLOCK functions not working?
-
Go to Step 10
Go to Step 5
5
LOCK function not working?
-
Go to Step 11
Go to Step 12
6
Is the faulty component the driver's door lock actuator?
-
Go to Step 7
Go to Step 8
7
  1. Disconnect the driver's door lock drive.
  2. Connect a test lamp between the driver's door lock actuator unlock and lock control circuits at the driver's door lock actuator electrical connector.
  3. Set the door lock switch to the LOCK and UNLOCK positions.
Is the indicator light on?
-
Go to Step 16
Go to Step 13
8
  1. Disconnect the corresponding lock drive.
  2. Connect the test lamp between the unlocking and locking control circuits of the lock drive on the electrical connector of the corresponding lock drive.
  3. Set the door lock switch to the LOCK position.
Is the indicator light on?
-
Go to Step 9
Go to Step 14
9
Set the door lock switch to the UNLOCK position.
Is the indicator light on?
-
Go to Step 17
Go to Step 15
10
Check the battery positive voltage circuit from the LOCK/MIRROR fuse (LOCK/MIRROR) on the door lock switch to check for a break.
Has the cause been found and corrected?
-
Go to Step 25
Go to Step 18
11
Check the lock signal circuit at the driver's door lock switch for an open or short to battery voltage.
Has the cause been found and corrected?
-
Go to Step 25
Go to Step 19
12
Check the unlock signal circuit at the driver's door lock switch for an open or short to battery voltage.
Has the cause been found and corrected?
-
Go to Step 25
Go to Step 19
13
Check the unlock control circuit on the driver's door lock actuator for an open or short to battery voltage.
Has the cause been found and corrected?
-
Go to Step 25
Go to Step 15
14
Check the locking control circuit on the appropriate door lock actuator for an open or short to battery voltage.
Has the cause been found and corrected?
-
Go to Step 25
Go to Step 20
15
Check the unlocking control circuit on the corresponding lock actuator for an open or short circuit to battery voltage.
Has the cause been found and corrected?
-
Go to Step 25
Go to Step 20
16
Inspect the driver's door lock drive for contact problems.
Has the cause been found and corrected?
-
Go to Step 25
Go to Step 21
17
Inspect the appropriate door lock actuator for contact problems.
Has the cause been found and corrected?
-
Go to Step 21
Go to Step 21
18
Inspect the appropriate door lock switch for poor contact.
Has the cause been found and corrected?
-
Go to Step 25
Go to Step 21
19
Inspect the body control module (BCM) for poor connections.
Has the cause been found and corrected?
-
Go to Step 25
Go to Step 23
20
Inspect the wiring harness connectors at the instrument panel fuse block for poor connections.
Has the cause been found and corrected?
-
Go to Step 25
Go to Step 24
21
Replace the corresponding lock drive.
Is the renovation finished?
-
Go to Step 25
-
22
Replace the corresponding door lock switch.
Is the renovation finished?
-
Go to Step 25
-
23
Replace BCM controller.
Is the replacement complete?
-
Go to Step 25
-
24
Replace the corresponding door lock relay.
Is the renovation finished?
-
Go to Step 25
-
25
Operate the system to check if the problem has been corrected.
Has the cause been found and corrected?
-
The system is normal
Go to Step 2


Electric door locks not working - locking function



Step Operation Values Yes No
1
Has the vehicle system diagnostic check been completed?
-
Go to Step 2
Check the vehicle with a diagnostic tool.
2
Make sure that the power door lock function does not work.
Does the power door lock function work properly?
-
Jump to section 9A, "Checking Body Wiring Systems for Intermittent Faults and Contact Problems."
Go to Step 3
3
Are all your power door locks not working?
-
Go to section "Signs of malfunction - doors"
Go to Step 4
4
  1. Close all doors.
  2. Open and close each door, observing the entrance lighting fixtures.
Do the entrance lights come on when each door is checked?
-
Go to Step 5
Jump to Section 9B, "Lighting Systems".
5
  1. Insert the key completely into the ignition lock cylinder.
  2. Open the driver's door.
Is there an audible signal?
-
Go to Step 6
Jump to section 9E, "Instruments/Driver Information System".
6
Replace the body control module (BCM).
Is the replacement complete?
-
Go to Step 7
-
7
Operate the system to check if the problem has been corrected.
Has the cause been found and corrected?
-
The system is normal
Go to Step 3


The original material is located on the website chevyman

The article was checked: Vladimir Romannikov
This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

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Previous articles
Captiva 1: Doors and windows
Next articles

Schematic diagrams of locks and electric windows
General description and operation of doors
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Rear window trim
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