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
Slip indicator lamp
Description
Component Function Check
1.CHECK SLIP INDICATOR LAMP OPERATION
Check that the lamp illuminates for approximately 2 seconds after the
ignition switch is turned ON.
Diagnosis Proce ...
Wiring diagram
BRAKE CONTROL SYSTEM
Wiring Diagram
...
Other materials:
Key cylinder switch
Description
The main power window and door lock/unlock switch detects condition of the
door key cylinder switch and
transmits to BCM as the LOCK or UNLOCK signal.
Component Function Check
1. CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check KEY CYL UN-SW, KEY CYL UN-SW in "DATA MONITOR" mod ...
Unlock sensor
Description
Detects door lock condition of driver door.
Component Function Check
1. CHECK FUNCTION
With CONSULT
Check unlock sensor UNLK SEN−DR in "Data Monitor" mode.
Diagnosis Procedure
1. CHECK UNLOCK SENSOR POWER SUPPLY
Check signal between BCM connector and ground with o ...
Intelligent key battery
Removal and Installation
Release the lock knob at the back of the Intelligent Key and remove the
mechanical key.
Insert a suitable tool (A) wrapped with a cloth into the slit of the
corner and twist it to separate the upper part from the lower part.
Replace the battery with new o ...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
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