DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.

Is above displayed on the self-diagnosis display?
YES >> Proceed to diagnosis procedure. Refer to BRC "Diagnosis Procedure".
NO >> Inspection End.
Regarding Wiring Diagram information, refer to BRC "Wiring Diagram".
1.CONNECTOR INSPECTION
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair or replace as necessary.
2.CHECK STOP LAMP SWITCH CIRCUIT

Is the inspection result normal?
YES >> Replace ABS actuator and electric unit (control unit). Refer to BRC "Removal and Installation".
NO >> GO TO 3
3.CHECK STOP LAMP SWITCH CIRCUIT FOR OPEN

Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace as necessary.
4.CHECK STOP LAMP SWITCH CIRCUIT FOR SHORT
Check continuity between ABS actuator and electric unit (control unit)
connector E33 terminal 30 and ground.

Is the inspection result normal?
YES >> Replace stop lamp switch.
NO >> Repair harness or connectors.
Security systems (if so equipped)
Your vehicle has one type of security systems:
NISSAN Vehicle Immobilizer System
NISSAN vehicle immobilizer system
The NISSAN Vehicle Immobilizer System will not
allow the engine to start without the use of a
registered key.
If the engine fails to start using a registered key
(for ex ...
P0977 Shift solenoid B
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0977
Shift Solenoid B Control Circuit
High
The following diagnosis conditions
are met, and the TCM low
clutch solenoid valve current
monitor reading is 200 ...