For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Power Moding Schematics Connector End View Reference: Master Electrical Component List
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle
2 | Do only the power windows and wipers exhibit this symptom? | Go to Step 5 | Go to Step 3
3 |

1. Observe the following parameters in body control module (BCM) data list:

• | Driver Door Ajar Sw.

• | Passenger Door Ajar Sw.

2. Open and close each door while observing the respective parameter.

Does the scan tool display change from Ajar to Door Closed respectively?

Go to Step 4

Go to Symptoms - Lighting Systems

4 |

1. Select diagnostic circuit check and then class 2 power mode on the scan tool.
2. Close all the doors.
3. Turn ON the ignition, with the engine OFF.
4. Wait 5 seconds then turn the ignition OFF.
5. Wait the time-out for retained accessory power (RAP).

Did the scan tool display the RAP power mode, then time-out and display Off-Awake power mode?

Go to Step 5

Go to Step 9

5 |

1. Turn the ignition switch to the OFF position.
2. Disconnect the RAP relay.

Do the power windows and wipers operate?

Go to Step 6

Go to Step 7

6 | Repair the short to battery in the power windows and wipers supply voltage circuit. Refer to Wiring Repairs . Did you complete the repair? | Go to Step 11 | --
7 | Inspect for poor connections at the RAP relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 11 | Go to Step 8
8 | Replace the RAP relay. Did you complete the replacement? | Go to Step 11 | --
9 | Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 11 | Go to Step 10
10 | Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the procedure? | Go to Step 11 | --
11 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 1