Inspection Procedure
- CHECK HARNESS AND CONNECTOR (MOMENTARY INTERRUPTION)
- Using the hand held tester, check for any momentary interruption in the wire harness and connector corresponding to a DTC (see CHECK FOR INTERMITTENT PROBLEMS ).
DATA LIST: ABS/VSC/TRC
DATA LIST - ABS/VSC/TRCItem Measurement Item/Range (Display) Normal Condition EFI COM EFI communication open detection/OPN DET or NORMAL OPN DET: Momentary interruption EFI COM EFI communication open detection/OPN DET or NORMAL NORMAL: Normal OK:
There are no momentary interruptions.
HINT:
Perform the above inspection before removing the sensor and connector.
- NG: Go to step 3 .
- OK: Go to next step.
- CHECK DTC FOR ENGINE CONTROL SYSTEM (SEE DTC CHECK/CLEAR
)
- Clear the DTC (engine control system).
- Check the DTC (engine control system).
Result:
RESULTDTC (engine control system) is not output A DTC (engine control system) is output B - B: REPAIR ENGINE CONTROL SYSTEM ACCORDING TO DTC OUTPUT (SEE DIAGNOSTIC TROUBLE CODE CHART )
- A: REPLACE ECM (SEE REPLACEMENT )
- REPAIR OR REPLACE HARNESS OR CONNECTOR (ECM TO SKID CONTROL ECU) (SEE ELECTRONIC CIRCUIT INSPECTION PROCEDURE
)
- NEXT: Go to next step.
- RECONFIRM DTC (SEE DTC CHECK/CLEAR
)
- Clear the DTC.
- Perform a road test.
- Check that the same DTC is recorded.
Result:
RESULTDTC is not output A DTC is output B - B: Go to step 2 .
- A: END