Diagnostic Routine A

Diagnostic Routine A

Diagnostic Overview

The Active Park Assist Does Not Operate When Switch Is Pressed

Refer to Wiring Diagram Set 131 for schematic and connector information Electrical Diagrams.

Normal Operation and Fault Conditions

REFER to Active Park Assist Switch .

Pinpoint Test

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

1. VERIFY THE CUSTOMERS CONCERN

1. Ignition ON.

2. Apply the brakes.

3. Select DRIVE.

4. While pressing the active park assist switch, monitor the center stack infotainment display.

Does the center stack infotainment display read "ACTIVE PARK SEARCHING"?








2. CHECK THE DTCs (Diagnostic Trouble Codes) FROM THE PAM (Parking Aid Module) SELF-TEST

1. Using a scan tool, perform the PAM (Parking Aid Module) self-test.

Are any PAM (Parking Aid Module) DTCs (Diagnostic Trouble Codes) recorded?








3. CHECK THE ACTIVE PARK SWITCH GROUND CIRCUIT FOR AN OPEN

1. Disconnect: Active Park Assist Switch.

2. Measure:





Is the resistance less than 3 ohms?








4. CHECK THE ACTIVE PARK SWITCH SIGNAL CIRCUIT FOR AN OPEN

1. Disconnect: PAM (Parking Aid Module).

2. Measure:





Is the resistance less than 3 ohms?








5. CHECK THE ACTIVE PARK SWITCH OPERATION

1. While pressing the active park switch, measure:





Is the resistance less than 3 ohms with the switch pressed and greater than 10,000 ohms with the switch released?








6. CHECK FOR CORRECT PAM (Parking Aid Module) OPERATION

1. Disconnect and inspect the PAM (Parking Aid Module) connector.

2. Repair:

- corrosion (install new connector or terminals- clean module pins)
- damaged or bent pins- install new terminals/pins
- pushed-out pins- install new pins as necessary

3. Reconnect the PAM (Parking Aid Module) connector. Make sure it seats and latches correctly.

4. Operate the system and determine if the concern is still present.

Is the concern still present?