DTC DETECTION LOGIC
NOTE:

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Shift the selector lever to the P position.
2. Turn ignition switch ON and wait 2 seconds or more.
3. Shift the selector lever to any position other than P and wait 2 seconds or more.
4. Check DTC in Self Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES >> Go to SEC "Diagnosis Procedure".
NO >> Inspection End.
Regarding Wiring Diagram information, refer to SEC "Wiring Diagram".
1.CHECK CVT SHIFT SELECTOR CIRCUIT (BCM)
1. Turn ignition switch OFF.
2. Disconnect CVT shift selector (park position switch) connector.
3. Disconnect BCM connector.
4. Check continuity between CVT shift selector (park position switch) harness
connector and BCM harness
connector. 
5. Check continuity between CVT shift selector (park position switch) harness
connector and ground. 
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace harness.
2.CHECK CVT SHIFT SELECTOR CIRCUIT (IPDM E/R)
1. Disconnect IPDM E/R connector.
2. Check continuity between CVT shift selector (park position switch) harness
connector and IPDM E/R harness
connector. 
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.REPLACE BCM
1. Replace BCM. Refer to BCS "Removal and Installation".
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
3. Perform DTC CONFIRMATION PROCEDURE for DTC B2601. Refer to SEC "DTC Logic".
Is DTC B2601 detected again?
YES >> Replace IPDM E/R. Refer to PCS "Removal and Installation".
NO >> Inspection End.
4-speed automatic transmission fluid (ATF) (if so equipped)
When checking or replacement of automatic
transmission fluid is required, it is recommended
that you visit a NISSAN dealer for servicing.
WARNING
When the engine is running, keep
hands, jewelry and clothing away from
any moving parts such as the cooling
fan and drive belts
Automatic t ...
P074C Unable to engage 4GR
Description
This malfunction is detected when the A/T does not shift into 4GR position as
instructed by TCM. This is not
only caused by electrical malfunction (circuits open or shorted) but by
mechanical malfunction such as control
valve sticking, improper solenoid valve operation, etc.
DTC ...