Diagnostic Routine D
Diagnostic Routine D
Diagnostic Overview
B1B44:96, B1B46:96, B1B48:96, B1B50:96
Normal Operation and Fault Conditions
REFER to Parking Aid System Operation .
The attenuation time for the rear parking aid sensors is the time required for a sensor to detect the distance to an object expressed in milliseconds (ms). A fault condition occurs when the signal or the attenuation time is out of normal range.
DTC Fault Trigger Conditions
Pinpoint Test
1. CHECK THE DTCs (Diagnostic Trouble Codes) FROM THE PAM (Parking Aid Module) SELF-TEST
1. Check the PAM (Parking Aid Module) DTCs (Diagnostic Trouble Codes) from the self-test.
Are parking aid DTCs (Diagnostic Trouble Codes) other than B1B44:96, B1B46:96, B1B48:96 and B1B50:96 recorded?
2. CHECK THE PARKING AID SENSOR OPERATION
NOTE: Make sure the area around the vehicle is clear of anything that can activate the parking aid system.
1. Clean the rear bumper and sensors with high-pressure water.
2. Carry out the azimuth system check. REFER to Azimuth System Check Azimuth System Check.
3. Carry out the elevation system check. REFER to Elevation System Check Elevation System Check.
Does the parking aid system pass both system checks?
3. CHECK THE PARKING AID SENSOR
1. Install a new parking aid sensor for the sensor in question. REFER to Parking Aid Sensor .
2. Ignition ON.
3. Using a scan tool, clear the DTCs (Diagnostic Trouble Codes) and repeat the self-test.
4. Operate the system and verify the concern is still present.
Is the concern still present?
4. 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?
