DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check DTC in Self Diagnostic Result mode of ENGINE using CONSULT.
Is DTC detected?
YES >> Go to SEC "Diagnosis Procedure".
NO >> Inspection End.
1.PERFORM INITIALIZATION
Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
Can the system be initialized and can the engine be started with registered Intelligent Key?
YES >> Inspection End.
NO >> GO TO 2.
2.CHECK SELF DIAGNOSTIC RESULT
1. Select Self Diagnostic Result mode of ENGINE using CONSULT.
2. Erase DTC.
3. Perform DTC CONFIRMATION PROCEDURE for DTC P1611. Refer to SEC "DTC Logic".
Is DTC detected?
YES >> GO TO 3.
NO >> Inspection End
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.
Can the system be initialized and can the engine be started with registered Intelligent Key?
YES >> Inspection End.
NO >> GO TO 4.
4.REPLACE ECM
1. Replace ECM.
Refer to EC "Removal and Installation".
2. Perform "ADDITIONAL SERVICE WHEN REPLACING ECM".
Refer to EC "Work Procedure".
>> Inspection End.
Description ECM forcibly switches to the mode that inhibits engine start, when engine start operation is performed 5 times or more while communication between ECM and BCM is not normal. ...
Maintenance precautions
When performing any inspection or maintenance
work on your vehicle, always take care to prevent
serious accidental injury to yourself or damage to
the vehicle. The following are general precautions
which should be closely observed.
WARNING
Park the vehicle on a level surface, apply
the pa ...
P0974 Shift solenoid A
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 OF ...