Nissan Maxima Service and Repair Manual: C1143, C1144 steering angle sensor
Description
The steering angle sensor detects the rotation amount, angular velocity and direction of the steering wheel, and transmits the data to the ABS actuator and electric unit (control unit) via CAN communication.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.
Diagnosis Procedure
1.CONNECTOR INSPECTION
- Turn ignition switch OFF.
- Disconnect ABS actuator and electric unit (control unit) connector.
- Check terminals for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminals.
- Reconnect connector and perform self-diagnosis
2.CHECK STEERING ANGLE SENSOR HARNESS
- Check CAN communication system. Refer to LAN-15, "Trouble Diagnosis Flow Chart".
- Turn ignition switch OFF.
- Disconnect steering angle sensor connector.
- Check continuity between steering angle sensor harness connector M53 terminal 1 and ground
- Turn ignition switch ON.
- Check voltage between steering angle sensor connector M53 terminal 4 and ground.
3.CHECK DATA MONITOR
- Turn ignition switch OFF.
- Connect steering angle sensor connector and ABS actuator and electric unit (control unit) connector.
- Perform the steering angle sensor component inspection.
Component Inspection
1.CHECK DATA MONITOR
Select "STR ANGLE SIG" in "DATA MONITOR" and check steering angle sensor signal.
Special Repair Requirement
1.ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Always perform the neutral position adjustment for the steering angle sensor, when replacing the ABS actuator and electric unit (control unit).
C1142 press sen circuit
Description
The pressure sensor converts the brake fluid pressure to an electric signal
and transmits it to the ABS actuator
and electric unit (control unit). (The pressure sensor is integrated i ...
C1145, C1146 yaw rate/side/decel G sensor
Description
The yaw rate/side/decel G sensor detects the yaw rate/side/decel G affecting
the vehicle, and transmits the
data to the ABS actuator and electric unit (control unit) as an analog volt ...
Other materials:
Uniform tire quality grading
DOT (Department of Transportation) Quality
Grades: All passenger car tires must conform to
federal safety requirements in addition to these
grades.
Quality grades can be found where applicable on
the tire sidewall between tread shoulder and
maximum section width. For example:
Treadwear 200 ...
ABS branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the ABS actuator and
electric unit (control unit) for damage, bend
and loose connection (unit side and connector side).
...
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and
"SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT
PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk
or severity of injury to the driver and front passenger for ...
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
0.006