NO.7 THERE IS MALFUNCTION IN THE SYSTEM EVEN THOUGH ABS WARNING LIGHT, BRAKE SYSTEM WARNING LIGHT, DO NOT ILLUMINATE [ABS]
id0403a5802300
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7
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There is a malfunction in system even though ABS warning light, BRAKE system warning light, do not illuminate.
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Possible cause
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• There is a difference in size or air pressure between the front and rear tires
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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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 the next step.
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2
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INSPECT ABS HYDRAULIC UNIT
• Perform ABS hydraulic unit system inspection.
• Is system normal?
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Yes
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Inspect conventional brake system.
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No
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If wheels do not rotate:
Replace ABS HU/CM.
If wheels rotate but order in which wheels rotate is incorrect:
Inspect brake pipe passage to ABS HU/CM.
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