2007 Commander XK Factory Service Manual 8 - ELECTRICAL

B211A-IGNITION RUN/ACC/SPAD CONTROL CIRCUIT LOW





For a complete wiring diagram Refer to Section 8W.



Possible Causes
 
(F103) IGNITION RUN/ACC RELAY CONTROL CIRCUIT LOW
 
JUNCTION BLOCK
 
INSTRUMENT CLUSTER
 




Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION

With the scan tool, record and erase DTC's
Operate the door locks several times.
Cycle the ignition from on to off.
Turn the ignition on.
With the scan tool, read DTC's.

Does the scan tool display: B211A-IGNITION RUN/ACC CONTROL CIRCUIT LOW?

Yes


No

2. IGNITION RUN/ACC RELAY SHORTED



Turn the ignition off.
Disconnect the Cluster C2 connector.
Remove the PDC fuse #13.
Measure the resistance between ground and the (F103) Ignition Run/ACC Relay Control circuit in the Cluster C2 connector

Is the resistance below 1000.0 ohms?

No


Yes

3. (F103) IGNITION RUN/ACC RELAY CONTROL CIRCUIT SHORT TO GROUND



Disconnect the Junction Block C2 connector (on top of junction block).
Measure the resistance between ground and the (F103) Ignition Run/ACC Relay Control circuit in the Cluster C2 connector.

Is the resistance below 1000.0 ohms?

Yes


No