2007 Grand Cherokee WK Factory Service Manual 8 - ELECTRICAL

B1630-RIGHT LOW BEAM CONTROL CIRCUIT HIGH





For a complete wiring diagram Refer to Section 8W.



Possible Causes
 
(L44) RIGHT LOW BEAM CONTROL CIRCUIT SHORTED TO GROUND
 
RIGHT LOW BEAM BULB
 
FRONT CONTROL MODULE
 




Diagnostic Test

1. INTERMITTENT CONDITION

Turn the ignition on.
With the Scan Tool, clear all FCM DTC's.
Turn the Headlamps on.
With the Scan Tool read the DTC information.

Does the Scan Tool read: B1630-RIGHT LOW BEAM CONTROL CIRCUIT HIGH?

Yes


No

2. RIGHT LOW BEAM BULB

Turn the ignition off.
Inspect the Right Low Beam Bulb Assembly.

Is the inoperative bulb OK?

Yes


No

3. (L44) RIGHT LOW BEAM CONTROL CIRCUIT



Turn the ignition off.
Disconnect the FCM C2 harness connector.
Measure the resistance of the (L44) Right Low Beam Control circuit.

Is the resistance above 5.0 ohms?

Yes


No