NO. 4 MIL ILLUMINATES [INSTRUMENT CLUSTER]
id0903d5807700
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4 |
MIL illuminates |
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POSSIBLE CAUSE
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• PCM malfunction
• DTC is stored in PCM.
• Instrument cluster malfunction
• Connector or pin malfunction
• Short to GND circuit between instrument cluster and PCM.
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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• Start the engine.
• Does the MIL turn off?
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Yes
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Troubleshooting completed.
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No
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Go to the next step.
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2
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• Connect the M-MDS to DLC-2.
• Perform KOEO and KOER self-test and retrieve continuous memory DTC for PCM.
• Is there any DTC displayed?
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Yes
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Perform the appropriate DTC troubleshooting procedure.
(See DTC TABLE [WL-3].)
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No
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Go to the next step.
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3
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• Turn the ignition (F2, G6)/engine (WE-C, WL-3, WL-C, WLT-1, WLT-2) switch off.
• Inspect the instrument cluster connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
• Are the terminals normal?
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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 terminal.
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4
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• Turn the ignition (F2, G6)/engine (WE-C, WL-3, WL-C, WLT-1, WLT-2) switch to LOCK position.
• Connect the instrument cluster connector.
• Disconnect the PCM connector.
• Short to GND at PCM terminal 256 using the jumper wire.
• Turn the ignition (F2, G6)/engine (WE-C, WL-3, WL-C, WLT-1, WLT-2) switch to ON position.
• Does the auto leveling warning light illuminate?
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Yes
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Replace the PCM.
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No
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Go to the next step.
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5
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• Turn the ignition (F2, G6)/engine (WE-C, WL-3, WL-C, WLT-1, WLT-2) switch to LOCK position.
• Disconnect the instrument cluster connector (with PCM connector disconnected).
• Verify continuity between instrument cluster terminal 1I and GND.
• Is there continuity?
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Yes
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Repair or replace for short to GND.
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No
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Replace the instrument cluster.
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