DTC No.1 [WL-C, WE-C (AT)]
id0302a3801700
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DTC No.1 |
4x4 CM malfunction |
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DETECTION CONDITION
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• Open circuit or short to ground has been detected in the 4x4 CM wiring harness.
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POSSIBLE CAUSE
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• Open circuit or short to ground in the wiring harness between the following 4x4 CM terminals T, Y, Z and battery
• Open circuit in the wiring harness between the following 4x4 CM terminals W, X and ground
• 4x4 CM malfunction
• Poor connection at connector (female terminal)
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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MEASURE VOLTAGE BETWEEN 4x4 CONTROL MODULE CONNECTOR TERMINAL T, Y, Z AND GROUND
• Turn engine switch ON.
• Is the voltage greater than 10 V?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness, then go to step 3.
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2
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INSPECT FOR CONTINUITY BETWEEN 4x4 CONTROL MODULE CONNECTOR TERMINAL W, X AND GROUND
• Turn engine switch OFF.
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness, then go to next step.
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3
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VERIFY THAT THE SAME DTC IS NOT PRESENT
• Clear the DTCs from the memory.
• Are any DTCs present?
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Yes
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If the malfunction recurs, replace the 4x4 CM, then go to the next step.
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No
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Go to the next step.
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2
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VERIFY THAT NO OTHER DTCS ARE PRESENT
• Are any DTCs present?
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Yes
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Go to the applicable DTC troubleshooting.
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No
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Troubleshooting completed.
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