DTC No.4 [WL-C, WE-C (AT)]
id0302a3802000
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DTC No.4 |
Speed sensor malfunction |
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DETECTION CONDITION
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• Open circuit or short to ground has been detected in the speed sensor 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 and the speed sensor terminals:
• Speed sensor 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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INSPECT SPEED SENSOR
• Turn the engine switch off.
• Inspect the speed sensor.
• Is the speed sensor normal?
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Yes
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Go to the next step.
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No
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Replace the speed sensor, then go to step 4.
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2
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INSPECT SPEED SENSOR WIRING HARNESS FOR SHORT TO GROUND
• Disconnect the 4x4 CM connector.
• Disconnect the speed sensor connector.
• Inspect for continuity between the 4x4 CM connector terminals M, N (vehicle harness-side) and body ground.
• Is there continuity?
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Yes
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Repair or replace the wiring harness, then go to step 4.
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No
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Go to the next step.
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3
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INSPECT SPEED SENSOR WIRING HARNESS FOR OPEN CIRCUIT
• Inspect for continuity between the 4x4 CM connector (vehicle harness-side) and the following vehicle harness-side terminals of speed sensor:
• 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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4
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VERIFY THAT THE SAME DTC IS NOT PRESENT
• Reconnect all disconnected connectors.
• Clear the DTCs from the memory.
• Are any DTCs present?
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Yes
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Repeat the inspection from step 1.
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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5
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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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