Dodge Caliber. Manual - part 260
Possible Causes
(A931) FUSED B(+) CIRCUIT OPEN OR SHORTED
(Z925) GROUND CIRCUIT OPEN
(F202) IGNITION SW OUTPUT CIRCUIT OPEN OR SHORTED
(D65) CAN C BUS (+) CIRCUIT OPEN
(D64) CAN C BUS (-) CIRCUIT OPEN
POWERTRAIN CONTROL MODULE
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts.
With the scan tool, select ECU view.
NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active
on the Bus network. A green check indicates that the module is active on the Bus network.
NOTE: Check the TIPM for any active CAN C hardware DTC’s, perform DTC before proceeding.
Does the scan tool display a red X next to the module?
Yes
>> Go To 2
No
>> The no response condition is not present at this time. Using the wiring diagram/schematic as a guide,
inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness con-
nectors for broken, bent, pushed out, and corroded terminals.
2.
(A931) B(+) CIRCUIT OPEN OR SHORTED
Turn the ignition off.
Disconnect the PCM C1 harness connector.
Using a 12-volt test light connected to ground, check the (A931) B(+)
circuit.
Does the test light illuminate brightly?
Yes
>> Go To 3
No
>> Repair the (A931) B(+) circuit for an open or short.
Perform the appropriate POWERTRAIN VERIFICATION
TEST.
PM
ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
8E - 151