Nissan Sentra B18 (2020-2025) Service Manual: Power Supply and Ground Circuit

Nissan Sentra B18 (2020-2025) Service Manual / Cruise Control & Driver Assistance / Driver Assistance System :: Chassis Control / Dtc/circuit Diagnosis / Power Supply and Ground Circuit

Diagnosis Procedure

Diagnosis Procedure

CHECK CHASSIS CONTROL MODULE (WITH BUILT IN STEERING ANGLE SENSOR) IGNITION POWER SUPPLY

Turn the ignition switch OFF.
Disconnect the chassis control module (with built in steering angle sensor) harness connector.

Check the voltage between chassis control module (with built in steering angle sensor) harness connector and ground.

+		−	Voltage
Chassis control module (with built in steering angle sensor)
Connector	Terminal
M14	8	Ground	Approx. 0 V

Turn the ignition switch ON.

Check the voltage between chassis control module (with built in steering angle sensor) harness connector and ground.

+		−	Voltage
Chassis control module (with built in steering angle sensor)
Connector	Terminal
M14	8	Ground	6.4−16 V

Is the inspection result normal?

YES >>

GO TO 3.

NO >>

GO TO 2.

CHECK CHASSIS CONTROL MODULE (WITH BUILT IN STEERING ANGLE SENSOR) IGNITION POWER SUPPLY CIRCUIT
1. Turn the ignition switch OFF.
2. Check the 10A fuse (#50).
3. Check the continuity and for short circuit between chassis control module (with built in steering angle sensor) harness connector terminal (8) and 10A fuse (#50).
Is the inspection result normal?
YES >>
Perform trouble diagnosis for ignition power supply.
NO >>
Repair/replace harness, connector or fuse.

CHECK CHASSIS CONTROL MODULE (WITH BUILT IN STEERING ANGLE SENSOR) SIGNAL GROUND CIRCUIT

Check the continuity between chassis control module (with built in steering angle sensor) harness connector and the ground.

Chassis control module (with built in steering angle sensor)		—	Continuity
Connector	Terminal	—	Continuity
M14	5	Ground	Existed

Is the inspection result normal?

YES >>

GO TO 4.

NO >>

Repair / replace harness or connector.

CHECK TERMINAL

Check the chassis control module (with built in steering angle sensor) terminals for damage or loose connection with harness connector.

Is the inspection result normal?
YES >>
INSPECTION END
NO >>
Repair/replace harness, connector, or terminal.

Symptom Diagnosis

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