Nissan Maxima Service and Repair Manual: ECU diagnosis information

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

Reference Value

VALUES ON THE DIAGNOSIS TOOL

CAUTION: The display shows the control unit calculation data, so a normal value might be displayed even in the event the output circuit (harness) is open or short-circuited.

Note 1: Confirm tire pressure is normal.

Note 2: On and off timing for warning lamp and indicator lamp.

Fail-Safe

CAUTION: If the Fail-Safe function is activated, perform self-diagnosis for VDC/TCS/ABS system.

ABS, EBD SYSTEM

In case of an electrical malfunction with the ABS, ABS warning lamp and SLIP indicator lamp will turn on. In case of an electrical malfunction with the EBD system, brake warning lamp, ABS warning lamp and SLIP indicator lamp will turn on. The system will revert to one of the following conditions of the fail-safe function.

• For ABS malfunction, only the EBD is operative and the condition of vehicle is the same condition of vehicles without VDC/TCS/ABS system.
• For EBD malfunction, the EBD and ABS become inoperative, and the condition of vehicle is the same as the condition of vehicles without VDC/TCS/ABS or EBD system.

VDC / TCS

In case of VDC/TCS system malfunction, SLIP indicator lamp is turned on, and the condition of vehicle is the same as the condition of vehicles without VDC/TCS system. In case of an electrical malfunction with the VDC/ TCS system, the ABS control continues to operate normally without VDC/TCS control.

DTC No. Index