Diagnostic procedure
NO.3 THERE IS A MALFUNCTION IN THE SYSTEM EVEN THOUGH ABS WARNING LIGHT AND BRAKE SYSTEM WARNING LIGHT INDICATES THAT THE SYSTEM IS NORMAL - DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | CHECK FOR DTCS IN ABS HU/CM Have DTCs been recorded in memory? |
Yes | Perform inspection using appropriate DTC. |
| No | Go to next step. | ||
| 2 | INSPECT ABS HYDRAULIC UNIT Perform "ABS hydraulic unit system inspection". |
Yes | Inspect conventional brake system. |
| No | 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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