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1
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INSPECT BRAKE FLUID LEVEL
• Is brake fluid level normal?
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Yes
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Go to next step.
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No
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Add brake fluid.
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2
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INSPECT FOR DTCs in ABS HU/CM
• Have DTCs been recorded in memory?
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Yes
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Perform inspection using appropriate DTC.
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No
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Go to next step.
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3
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VERIFY WHETHER MALFUNCTION IS IN PARKING BRAKE SWITCH
• Disconnect parking brake switch connector
• Does BRAKE system warning light go out with ignition switch on?
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Yes
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Replace parking brake switch.
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No
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Perform the following inspections. Repair if necessary.
• Short to ground in wiring harness between instrument cluster (BRAKE system warning light) and parking brake switch.
Inspect instrument cluster.
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*4
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INSPECT WIRING HARNESS BETWEEN ABS HU/CM AND DLC -2 FOR CONTINUITY
• Disconnect ABS HU/CM connector.
• Is there continuity between SST connector terminal H, L and DLC-2?
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Yes
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Go to next step.
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No
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Repair wiring harness between ABS HU/CM and DLC-2.
|
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*5
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INSPECT WIRING HARNESS BETWEEN ABS/ HU/CM AND DLC-2 FOR SHORT TO B+
Is voltage approx. 12 V at connector terminal H, L?
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Yes
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Repair wiring harness between ABS HU/CM and DLC-2.
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No
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Go to next step.
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*6
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INSPECT WIRING HARNESS BETWEEN ABS HU/CM AND DLC-2 FOR SHORT TO GROUND
Is there continuity between connector terminal H, L and ground?
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Yes
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Repair wiring harness between ABS HU/CM and DLC-2.
|
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No
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Replace ABS CM (communication circuit malfunction in ABS CM).
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|
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