Toyota
Nissan Versa
 Sedan Service Manual
Brakes » Brake control system (BRC) » U1002 System comm (CAN)
Diagnosis Procedure

CAUTION:

  • Never apply 7.0 V or more to the measurement terminal.
  • Use a tester with open terminal voltage of 7.0 V or less.
  • Turn the ignition switch OFF and disconnect the battery cable from the negative terminal when checking the harness.

1.CHECK CAN DIAGNOSIS SUPPORT MONITOR

  1. Select "ABS" and "CAN Diagnosis Support Monitor" in order with CONSULT.
  2. Check malfunction history between each control unit connected to ABS actuator and electric unit (control unit).

Check the result of "PAST"?

All items are "OK">>Refer to GI "Intermittent Incident".

"TRANSMIT DIAG" is other than "OK">>GO TO 2.

A control unit other than ABS actuator and electric unit (control unit) is anything other than "OK">>GO TO 3.

2.CHECK TRANSMITTING SIDE UNIT

Check the ABS actuator and electric unit (control unit) harness connector terminals 14 and 26 for damage or loose connection.

Is the inspection result normal?

YES >> Erase self-diagnosis results. Then perform self-diagnosis for "ABS" with CONSULT.

NO >> Recheck terminals for damage or loose connection.

3.CHECK APPLICABLE CONTROL UNIT

Check damage or loose connection of each CAN communication line harness connector terminals.

Is the inspection result normal?

YES >> Erase self-diagnosis results. Then perform self-diagnosis for applicable control unit with CONSULT.

NO >> Recheck terminals for damage or loose connection.

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