DTC Logic
DTC DETECTION LOGIC
DTC | Trouble diagnosis name | DTC detection condition | Possible causes |
P0974 | Shift Solenoid "A" Control Circuit High | The following diagnosis conditions
are met, and the TCM select
switch ON-OFF solenoid
valve monitor value is OFF continuously
for 0.5 seconds or
more. - Diagnosis condition - Select switch ON-OFF solenoid valve: ON - TCM power supply voltage: 10 V < TCM power supply voltage < 16 V |
- Harness or connector
(Select switch ON-OFF solenoid
valve circuit is open or
shorted to power supply) - Select switch ON-OFF solenoid valve |
DTC REPRODUCTION PROCEDURE
1.PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
Is "P0974" detected?
YES >> Go to TM, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK CIRCUIT BETWEEN TCM AND A/T UNIT
Is the check result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK SELECT SWITCH ON-OFF SOLENOID VALVE
Check the select switch ON-OFF solenoid valve. Refer to TM, "Component Inspection (Select Switch ONOFF Solenoid Valve)".
Is the check result normal?
YES >> Check intermittent incident. Refer to GI, "Intermittent Incident".
NO >> Repair or replace the malfunctioning parts.
Component Inspection (Select Switch ON-OFF Solenoid Valve)
1.CHECK SELECT SWITCH ON-OFF SOLENOID VALVE
Check the resistance between the A/T unit connector and ground.
Is the check result normal?
YES >> INSPECTION END
NO >> There is a malfunction of select switch ON-OFF solenoid valve. Replace the transaxle assembly.
Refer to TM, "Removal and Installation".
DTC Logic DTC DETECTION LOGIC DTC Trouble diagnosis name DTC detection condition Possible causes P0973 Shift Solenoid "A" Control Circuit Low The following diagnosi ...
DTC Logic DTC DETECTION LOGIC DTC Trouble diagnosis name DTC detection condition Possible causes P0976 Shift Solenoid B Control Circuit Low The following diagnosis ...
Starting the engine (models without NISSAN Intelligent Key system)
1. Apply the parking brake.
2. Automatic Transmission / CVT models:
Move the shift lever to P (Park) or N (Neutral).
P (Park) is recommended.
The shift lever cannot be moved out of
P (Park) and into any of the other gear
positions if the ignition key is turned to
the OFF position or if ...
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 ...