B17BA-HEADLAMP LEVELING MOTOR CONTROL CIRCUIT OVERCURRENT

For a complete wiring diagram Refer to Section 8W.



Possible Causes
(L133) HEADLAMP LEVELING MOTOR CONTROL CIRCUIT SHORT TO GROUND
(L133) HEADLAMP LEVELING MOTOR CONTROL CIRCUIT SHORTED TO VOLTAGE
TOTALLY INTEGRATED POWER MODULE




Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION

Turn the ignition on.
With the scan tool, clear all DTC's
Turn the Headlamps on.
With the scan tool, read DTC's.

Does the scan tool display active: B17BA-HEADLAMP LEVELING MOTOR CONTROL CIRCUIT OVERCURRENT?

Yes


No

2. (L133) HEADLAMP LEVELING MOTOR CONTROL CIRCUIT SHORT TO GROUND

Turn the ignition off.
Disconnect the TIPM C7 harness connector.
Disconnect the Headlamp harness connector.
Measure the resistance between ground and the (L133) Headlamp Leveling Motor Control circuit.

Is the resistance above 10k ohms?

Yes


No

3. (L133) HEADLAMP LEVELING MOTOR CONTROL CIRCUIT SHORTED TO VOLTAGE

Turn the ignition on.
Measure for voltage on the (L133) Headlamp Leveling Motor Control circuit.

Is there any voltage present?

Yes


No