DTC DETECTION LOGIC 
DTC CONFIRMATION PROCEDURE
1.CHECK SELF DIAGNOSTIC RESULT
With CONSULT.
Is DTC C1142 detected?
YES >> Proceed to diagnosis procedure. Refer to BRC "Diagnosis Procedure".
NO >> Inspection End.
1.CHECK STOP LAMP SWITCH SYSTEM
Check stop lamp switch system. Refer to BRC "Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace malfunctioning components.
2.CHECK BRAKE FLUID LEAKAGE
Check brake fluid leakage. Refer to BR "Inspection".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace malfunctioning components.
3.CHECK BRAKE PEDAL
Check brake pedal. Refer to BR"Inspection and Adjustment".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace malfunctioning components.
4.CHECK SELF DIAGNOSTIC RESULT
With CONSULT.
Is DTC C1142 detected?
YES >> Replace ABS actuator and electric unit (control unit). Refer to BRC "Removal and Installation".
NO >> Inspection End.
IDLE SPEED
Inspection
1.CHECK IDLE SPEED
With CONSULT
Check idle speed in "DATA MONITOR" mode with CONSULT.
Without CONSULT
Check idle speed by installing the pulse type tachometer clamp on the loop
wire or on suitable high-tension
wire which installed between No.1 ignition coil and No.1 spark plug.
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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 ...