2010 Cadillac Truck SRX FWD V6-3.0L Page 325

4. If all circuits test normal, test or replace the A23D door latch assembly - driver

Passenger Door Ajar Switch Malfunction

1. Ignition OFF, disconnect the harness connector at the A23P door latch assembly - passenger.

2. Test for less than 10 ohm between the ground circuit terminal 3 and ground.

瀚慖f greater than the specified range, test the ground circuit for an open/high resistance.

3. Ignition ON, verify the scan tool BCM Passenger Door Ajar Switch parameter is Inactive.

瀚慖f not the specified value, test the signal circuit terminal 1 for a short to ground. If the circuit tests normal, replace the M74P window

motor - passenger.

4. Install a 3 A fused jumper wire between the signal circuit terminal 1 and ground. Verify the scan tool BCM Passenger Door Ajar Switch

parameter is Active.

瀚慖f not the specified value, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the

M74P window motor - passenger.

5. If all circuits test normal, test or replace the A23P door latch assembly - passenger.

Passenger Door Open Switch Malfunction

1. Ignition OFF, disconnect the harness connector at the A23P door latch assembly - passenger.

2. Ignition ON, verify the scan tool keyless entry control module Passenger Door Open Switch parameter is Inactive.

瀚慖f not the specified value, test the signal circuit terminal 2 for a short to ground. If the circuit tests normal, replace the K84 keyless entry

control module.

3. Install a 3 A fused jumper wire between the signal circuit terminal 2 and ground. Verify the scan tool keyless entry control module Passenger

Door Open Switch parameter is Active.

瀚慖f not the specified value, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the

K84 keyless entry control module.

4. If all circuits test normal, test or replace the A23P door latch assembly - passenger

Component Testing

1. Ignition OFF, disconnect the harness connector at the appropriate A23 door latch assembly.

2. With the switch in the open position, test for infinite resistance between the signal terminal and ground terminal listed below:

* A23D door latch assembly - driver signal terminal 6 and ground terminal 8

* A23D door latch assembly - driver signal terminal 7 and ground terminal 8

* A23P door latch assembly - passenger signal terminal 1 and ground terminal 3

* A23P door latch assembly - passenger signal terminal 2 and ground terminal 3

瀚慖f not the specified value, replace the A23 door latch assembly

3. With the switch in the closed position, test for less than 5 ohm between the signal terminal and ground terminal listed below:

* A23D door latch assembly - driver signal terminal 6 and ground terminal 8

* A23D door latch assembly - driver signal terminal 7 and ground terminal 8

* A23P door latch assembly - passenger signal terminal 1 and ground terminal 3

* A23P door latch assembly - passenger signal terminal 2 and ground terminal 3

瀚慖f greater than the specified range, replace the A23 door latch assembly

Repair Instructions

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

* Front Side Door Lock Replacement (See: Body and Frame/Locks/Door Locks/Service and Repair/Front Side Door Lock Replacement)

* Control Module References (See: Testing and Inspection/Programming and Relearning) for BCM and keyless entry control module

replacement, setup and programming

P179D The redundancy system for DIRECT SELECT was activated. There is a signal above the permissible limit value.

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