Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DTC PRIORITY
If DTC "C1A27" is displayed with DTC "U1000", "U0415" or "U0121", first diagnose the DTC "U1000", "U0415" or "U0121".

Is applicable DTC detected?

YES

Perform diagnosis of applicable.
- U1000: Refer to DTC Logic .
- U0415: Refer to DTC Description .
- U0121: Refer to DTC Description .
NO

GO TO 2.
CHECK POWER SUPPLY CIRCUIT OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Check power supply circuit of ABS actuator and electric unit (control unit). Refer to Diagnosis Procedure .

Is the inspection result normal?

YES

Perform "Self Diagnostic Result" mode of ABS actuator and electric unit (control unit). Refer to DTC Index .

NO

Repair the harnesses or connectors.