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STEP
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INSPECTION
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ACTION
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1
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INSPECT FOR DTCs IN ABS HU/CM
• Have DTCs been stored in memory?
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Yes
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Perform the applicable DTC inspection.
(See DTC Table.)
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No
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Inspect the instrument cluster.
If the instrument cluster is normal, inspect CAN communication.
If instrument cluster has a malfunction, go to the next step.
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2
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VERIFY WHETHER MALFUNCTION IS IN WARNING LIGHTS AND INDICATOR LIGHT'S COMMON POWER SUPPLY, OR IN OTHER WARNING LIGHTS AND INDICATOR LIGHTS
• Do other warning and indicator lights illuminate when the ignition switch is turned to the ON position?
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Yes
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Replace the instrument cluster. (open circuit in instrument cluster)
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No
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Go to the next step.
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3
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INSPECT INSTRUMENT CLUSTER POWER SUPPLY FUSE
• Is the instrument cluster ignition power supply fuse normal?
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Yes
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Go to the next step.
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No
|
Inspect for a short to ground on circuit of blown fuse.
Repair or replace if necessary.
Install appropriate amperage fuse.
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*4 |
VERIFY WHETHER MALFUNCTION IS IN WIRING HARNESS (BETWEEN INSTRUMENT CLUSTER POWER SUPPLY AND INSTRUMENT CLUSTER FOR CONTINUITY) OR INSTRUMENT CLUSTER
• Turn the ignition switch to the ON position.
• Measure voltage at instrument cluster connector terminal 3O.
• Is the voltage approx. 12 V?
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Yes
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Replace the instrument cluster (open circuit in instrument cluster).
|
|
No
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Inspect for open circuit in wiring harness between the instrument cluster and ground.
Repair or replace if necessary.
Replace the ABS HU/CM.
(See ABS HU REMOVAL/INSTALLATION.)
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