DTC P188A:00 [ELECTRONIC 4WD CONTROL SYSTEM]
id0302a6200700
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DTC P188A:00
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Differential oil temperature is out of range
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DETECTION CONDITION
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• 4WD control module detects the differential oil temperature is out of range.
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FAIL-SAFE FUNCTION
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• 4WD protection condition (4WD control paused)
• 4WD warning light: Flashed
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POSSIBLE CAUSE
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• Detects high differential oil temperature to switch to 2WD and protect the system
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SYSTEM WIRING DIAGRAM
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Not applicable
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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SWITCH THE IGNITION TO OFF AND ALLOW 4WD CONTROL MODULE TO COOL DOWN.
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2
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VERIFY THAT THE SAME DTC IS NOT PRESENT
• Clear the DTCs from the memory.
• Using the M-MDS, perform the 4WD control module DTC inspection.
• Is the same DTC present?
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Yes
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Replace the 4WD control module.
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No
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Go to the next step.
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3
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VERIFY THAT NO OTHER DTCS ARE PRESENT
• Are any other DTCs output?
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Yes
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Go to the applicable DTC inspection.
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No
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DTC troubleshooting completed.
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