Nissan Note [22/22] Stc 22

Nissan Note [22/22] Stc 22
STC-22
[EPS]
TROUBLE DIAGNOSIS
4. CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT
Check EPS control unit power supply circuit. Refer to STC-15, "
Inspection 1: Battery Voltage Malfunction" .
OK or NG
OK >> GO TO 5.
NG >> Repair malfunctioning circuit.
5. CHECK STEERING COLUMN INTERMEDIATE SHAFT
1. Check the connection between the intermediate shaft and the mounting part of steering column assembly
and steering gear assembly. Refer to PS-7, "
STEERING COLUMN" .
2. Make sure that steering wheel turning force is uneven (torque variation).
OK or NG
OK >> INSPECTION END.
NG >> Check steering wheel turning force. Refer to PS-5, "
STEERING TORQUE INSPECTION" .
Symptom 4: EPS Warning Lamp Stays ON
BGS0003I
1. CHECK SELF-DIAGNOSIS RESULTS
Check self-diagnosis results.
Are there malfunctioning systems in self-diagnosis results?
YES >> GO TO 2.
NO >> GO TO 4.
2. CHECK EPS CONTROL UNIT CONNECTOR
1. Turn ignition switch OFF, disconnect EPS control unit harness connector, and check terminal for deforma-
tion, disconnection, looseness, etc.
2. Reconnect harness connector securely, and perform self-diagnosis.
Are there malfunctioning systems in self-diagnosis results?
YES >> Repair malfunctioning circuit, and GO TO 3.
NO >> GO TO 3.
3. CHECK SYMPTOM
Make sure that the steering does not have the symptoms of “Heavy” or “Light”.
OK or NG
OK >> INSPECTION END.
NG >> GO TO 4.
4. CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT
Check EPS control unit power supply circuit. Refer to STC-15, "
Inspection 1: Battery Voltage Malfunction" .
OK or NG
OK >> GO TO 5.
NG >> Repair malfunctioning circuit.
5. CHECK STEERING WHEEL TURNING FORCE
Check the EPS assist force when the steering is operated. Refer to PS-5, "
STEERING TORQUE INSPEC-
TION" .
OK or NG
OK >> Check CAN communication circuit. Refer to STC-20, "Inspection 8: CAN Communication Circuit" .
NG >> EPS control unit malfunction.

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