Pinpoint Test F : Vehicle Binds In A Turn Or Resists Turning/Pulsates Or Shudders In A Straight Line

WARNING: When directed to drive the vehicle as part of this test, drive the vehicle on a hard surface in an area without traffic to prevent a crash. Failure to follow these instructions may result in personal injury.

F1 CHECK FOR TORQUE AT THE REAR WHEELS
- Ignition OFF.
- Disconnect: ATC Solenoid C4347 .
- Inspect the connector for damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals.
- Drive the vehicle in a straight line on dry pavement.
Is a pulsation or shudder still present?

Yes REFER to Driveline System - General Information .

No GO to F2.

F2 MONITOR THE CLUTCH STATUS PID
- Ignition OFF.
- Connect: ATC Solenoid C4347 .
- Ignition ON.
- Connect the scan tool.
- Monitor the AWD_CLTCH_CMD# PID.
- Drive the vehicle at a constant 8 km/h (5 mph) in tight turns on dry pavement while monitoring the ATC solenoid duty cycle.
Is the duty cycle greater than 20%?

Yes GO to F3.

No GO to Pinpoint Test C .

F3 CHECK FOR THE CORRECT WHEEL SPEEDS
- Drive the vehicle at 48 km/h (30 mph), monitor the following wheel speed sensor PIDs:
  - Left Front Wheel Speed Sensor (LF_WSPD)
  - Left Rear Wheel Speed Sensor (LR_WSPD)
  - Right Front Wheel Speed Sensor (RF_WSPD)
  - Right Rear Wheel Speed Sensor (RR_WSPD)
Are all 4 wheel speeds within 2 km/h (1.2 mph) of each other?

Yes GO to F4.

No GO to Pinpoint Test C .

F4 MONITOR THE APP PID

Monitor APP PID while pressing/releasing the accelerator pedal.

Does the accelerator pedal position match the APP PID percent value?

Yes	GO to F5.
No	REFER to the ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID) .

F5 CHECK FOR CORRECT AWD RELAY OPERATION

Disconnect: AWD Relay C4379 .

Disconnect: ATC Solenoid C4347 .

Inspect the connectors for damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals.

Check the harness between the AWD relay and the ATC solenoid for damage.

Connect: AWD Relay C4379 and make sure it seats correctly.

Connect: ATC Solenoid C4347 and make sure it seats correctly.

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

Is the concern still present?

Yes	INSTALL a new AWD relay module. REFER to All Wheel Drive (AWD) Relay Module . PERFORM the self-test.
No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. PERFORM the self-test.