
TEST ACTION APPLICABILITY
4 Turn the ignition off.
Disconnect the Right Headlamp harness connector.
Disconnect the Front Control Module.
Turn the ignition on.
Measure the voltage of the Right Low Beam Driver circuit.
Is the voltage below 1.0 volt?All
Ye s®Go To 5
No®Repair the Right Low Beam Driver circuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
5 Turn the ignition off.
Turn the Headlamps off.
Install a substitute Headlamp Bulb in place of the Right Headlamp Bulb.
Turn the ignition on.
With the DRB, erase the Front Control Module DTC's.
Turn the headlamps on.
Switch the headlamps between high beam and low beam several times, pausing for
5 seconds in each position.
With the DRB, read Front Control Module DTC's.
Does the DRB display this DTC?All
Ye s®Go To 6
No®Replace the original Right Headlamp Bulb.
Perform BODY VERIFICATION TEST - VER 1.
6 Turn the ignition off.
Inspect the wiring and connectors associated with the Right Low Beam Driver
circuit.
Were any problems found?All
Ye s®Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Front Control Module.
Perform BODY VERIFICATION TEST - VER 1.
7 Turn the ignition off.
NOTE: Visually inspect the related wiring harness and circuits. Look for
any chafed, pierced, pinched, or partially broken wires.
NOTE: Visually inspect the related wiring harness connectors. Look for
broken, bent, pushed out, or corroded terminals.
Note: Refer to any Technical Service Bulletins (TSB) that may apply.
Were any problems found?All
Ye s®Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
501
EXTERIOR LIGHTING
RIGHT LOW BEAM HEADLAMP CIRCUIT SHORTED TO VOLTAGE Ð
Continued

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Message Center harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the
Message Center harness connector.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Fused B+ circuit.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Message Center harness connector.
Turn the ignition on.
Using a 12-volt test light connected to 12-volts, probe the Left Indicator Driver circuit
in the Message Center harness connector.
Operate the Multi-Function Switch and turn the Left Indication on.
Does the test light flash on and off?All
Ye s®Remove and inspect the Bulb. If OK, replace the Message Center.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn the ignition off.
Disconnect the Message Center harness connector.
Disconnect the BCM C4 harness connector.
Measure the resistance of the Left Turn Indicator Driver circuit at the Message
Center harness connector to ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Left Turn Indicator for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 6
6 Turn the ignition off.
Disconnect the Message Center harness connector.
Disconnect the BCM C4 harness connector.
Measure the resistance of the Left Turn Indicator Driver circuit between the BCM
harness connector and the Message Center harness connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 7
No®Repair the Left Turn Indicator for an open.
Perform BODY VERIFICATION TEST - VER 1.
7 If there are no possible causes remaining, view repair? All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
581
INSTRUMENT CLUSTER
LEFT TURN SIGNAL INDICATOR OPEN (HIGHLINE) ÐContinued

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the
Instrument Cluster harness connector.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Fused B+ circuit.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Turn the ignition on.
Using a 12-volt test light connected to 12-volts, probe the Left Indicator Driver circuit
in the Instrument Cluster harness connector.
Operate the Multi-Function Switch and turn the Left Indication on.
Does the test light flash on and off?All
Ye s®Remove and inspect the Bulb. If OK, replace the Instrument
Cluster printed circuit board.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Disconnect the BCM C4 harness connector.
Measure the resistance of the Left Turn Indicator Driver circuit at the Instrument
Cluster harness connector to ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Left Turn Indicator for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 6
6 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Disconnect the BCM C4 harness connector.
Measure the resistance of the Left Turn Indicator Driver circuit between the BCM
harness connector and the Instrument Cluster harness connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 7
No®Repair the Left Turn Indicator for an open.
Perform BODY VERIFICATION TEST - VER 1.
7 If there are no possible causes remaining, view repair? All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
583
INSTRUMENT CLUSTER
LEFT TURN SIGNAL INDICATOR OPEN (LOWLINE) ÐContinued

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Message Center harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the
Message Center harness connector.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Fused B+ circuit.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Message Center harness connector.
Turn the ignition on.
Using a 12-volt test light connected to 12-volts, probe the Left Indicator Driver circuit
in the Message Center harness connector.
Operate the Multi-Function Switch and turn the Left Indication on.
Does the test light flash on and off?All
Ye s®Remove and inspect the bulb. If OK, replace the Message Center.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn the ignition off.
Disconnect the Message Center harness connector.
Disconnect the BCM C4 harness connector.
Turn the ignition on.
Measure the voltage of the Left Turn Indicator Driver circuit at the Message Center
harness connector.
Is the voltage above 1.0 volts?All
Ye s®Repair the Left Turn Indicator for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 6
6 If there are no possible causes remaining, view repair? All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
585
INSTRUMENT CLUSTER
LEFT TURN SIGNAL INDICATOR SHORT (HIGHLINE) ÐContinued

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the
Instrument Cluster harness connector.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Fused B+ circuit.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Turn the ignition on.
Using a 12-volt test light connected to 12-volts, probe the Left Indicator Driver circuit
in the Instrument Cluster harness connector.
Operate the Multi-Function Switch and turn the Left Indication on.
Does the test light flash on and off?All
Ye s®Remove and inspect the bulb. If OK, replace the Instrument
Cluster printed circuit board.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Disconnect the BCM C4 harness connector.
Measure the voltage of the Left Turn Indicator Driver circuit at the Instrument
Cluster harness connector.
Is the voltage above 1.0 volts?All
Ye s®Repair the Left Turn Indicator for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 6
6 If there are no possible causes remaining, view repair? All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
587
INSTRUMENT CLUSTER
LEFT TURN SIGNAL INDICATOR SHORT (LOWLINE) ÐContinued

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Message Center harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the
Message Center harness connector.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Fused B+ circuit.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Message Center harness connector.
Turn the ignition on.
Using a 12-volt test light connected to 12-volts, probe the Right Indicator Driver
circuit in the Message Center harness connector.
Operate the Multi-Function Switch and turn the Right Indication on.
Does the test light flash on and off?All
Ye s®Remove and inspect the Bulb. If OK, replace the Message Center.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn the ignition off.
Disconnect the Message Center harness connector.
Disconnect the BCM C4 harness connector.
Measure the resistance of the Right Turn Indicator Driver circuit at the Message
Center harness connector to ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Right Turn Indicator for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 6
6 Turn the ignition off.
Disconnect the Message Center harness connector.
Disconnect the BCM C4 harness connector.
Measure the resistance of the Right Turn Indicator Driver circuit between the BCM
harness connector and the Message Center harness connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 7
No®Repair the Right Turn Indicator for an open.
Perform BODY VERIFICATION TEST - VER 1.
7 If there are no possible causes remaining, view repair? All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
605
INSTRUMENT CLUSTER
RIGHT TURN SIGNAL INDICATOR OPEN (HIGHLINE) ÐContinued

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the
Instrument Cluster harness connector.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Fused B+ circuit.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Turn the ignition on.
Using a 12-volt test light connected to 12-volts, probe the Right Indicator Driver
circuit in the Instrument Cluster harness connector.
Operate the Multi-Function Switch and turn the Right Indication on.
Does the test light flash on and off?All
Ye s®Remove and inspect the Bulb. If OK, replace the Instrument
Cluster printed circuit board.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Disconnect the BCM C4 harness connector.
Measure the resistance of the Right Turn Indicator Driver circuit between the BCM
harness connector and the Instrument Cluster harness connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 6
No®Repair the Right Turn Indicator for an open.
Perform BODY VERIFICATION TEST - VER 1.
6 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Disconnect the BCM C4 harness connector.
Measure the resistance of the Right Turn Indicator Driver circuit at the Instrument
Cluster harness connector to ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Right Turn Indicator for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 7
7 If there are no possible causes remaining, view repair? All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
607
INSTRUMENT CLUSTER
RIGHT TURN SIGNAL INDICATOR OPEN (LOWLINE) ÐContinued

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Message Center harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the
Message Center harness connector.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Fused B+ circuit.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Message Center harness connector.
Turn the ignition on.
Using a 12-volt test light connected to 12-volts, probe the Right Indicator Driver
circuit in the Message Center harness connector.
Operate the Multi-Function Switch and turn the Right Indication on.
Does the test light flash on and off?All
Ye s®Remove and inspect the bulb. If OK, replace the Message Center.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn the ignition off.
Disconnect the Message Center harness connector.
Disconnect the BCM C4 harness connector.
Turn the ignition on.
Measure the voltage of the Right Turn Indicator Driver circuit at the Message Center
harness connector.
Is the voltage above 1.0 volts?All
Ye s®Repair the Right Turn Indicator for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 6
6 If there are no possible causes remaining, view repair? All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
609
INSTRUMENT CLUSTER
RIGHT TURN SIGNAL INDICATOR SHORT (HIGHLINE) ÐContinued