Jeep Grand Cherokee WK. Manual — part 688
B210E-BATTERY VOLTAGE HIGH (CONTINUED)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition switch on.
•
Set Condition:
The SKREEM has detected the Fused (B+) input voltage above a calibrated value.
Possible Causes
FUSED (B+) CIRCUIT
SKREEM
Diagnostic Test
1.
DETERMINING IF DTC IS CURRENT
NOTE: Diagnose any related Powertrain DTC(s) before continuing.
With a scan tool, read and record DTC(s).
With the scan tool, clear DTC(s).
Perform 5 ignition cycles, leaving the ignition switch on for a minimum of 90 seconds per cycle.
Using the scan tool, read DTC(s).
Does the DTC reset?
Yes
>> Go To 3
No
>> Go to 2
2.
INTERMITTENT CONDITION
NOTE: Check for any of the follow conditions:
•
Poor wire to terminal connection
•
Corroded terminals
•
Backed out or loose terminals
•
Broken wire internal to the insulation
•
Dirty (partial) module ground
With the ignition on, wiggle the related wires.
Using a scan tool, read DTC(s).
Does the DTC reset?
Yes
>> Repair the wiring as necessary.
Perform SKREEM VERIFICATION TEST. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY -
STANDARD PROCEDURE)
No
>>
DTC is not active at this time. Test complete.
8Q - 68
VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS
WK
B210E-BATTERY VOLTAGE HIGH (CONTINUED)
3.
SKREEM
NOTE: A dirty (partial) ground can cause abnormal conditions with a system. Make sure the module has a
good ground before continuing.
Turn the ignition off.
Back probe the Fused (B+) circuit in the SKREEM harness connector.
Start the engine.
Using a scan tool, view the battery voltage under Data Display in the Engine category.
Compare the voltage on the scan tool to the voltage reading on the voltmeter.
Is the voltage on the scan tool equal to the voltmeter reading +/- .5 volt?
Yes
>> Replace and program the SKREEM in accordance with the Service Information.Perform SKREEM VER-
IFICATION TEST. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY - STANDARD PROCE-
DURE)
No
>> Repair the Fused (B+) circuit.Perform SKREEM VERIFICATION TEST. (Refer to 8 - ELECTRICAL/VE-
HICLE THEFT SECURITY - STANDARD PROCEDURE)
WK
VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS
8Q - 69
B2204-ECU CONFIGURATION MISMATCH
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition switch on.
Possible Causes
SKREEM
Diagnostic Test
1.
SKREEM
NOTE: Before continuing review and check the following conditions.
•
Review the repair history of the vehicle. Ensure the vehicle has the correct PCM and SKREEM installed.
Check the part numbers.
•
Using a scan tool, ensure the PCM and SKREEM have been programmed correctly. Compare the PCM VIN
to the SKREEM VIN and ensure the two VINS match.
Turn the ignition on.
With the scan tool, clear DTC(s).
Perform 5 ignition cycles, leaving the ignition switch on for a minimum of 90 seconds per cycle.
Using the scan tool, read DTC(s).
Does the DTC reset?
Yes
>> Replace and program the SKREEM in accordance with the Service Information.
Perform SKREEM VERIFICATION TEST. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY -
STANDARD PROCEDURE)
No
>> The DTC is not active at this time. Test complete.
8Q - 70
VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS
WK
B2205-ORIGINAL VIN MISSING/MISMATCH
WK
VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS
8Q - 71
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