DTC DETECTION LOGIC 
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Press push-button ignition switch under the following condition.
2. Release push-button ignition switch and wait 100 seconds or more.
3. 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 PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect push-button ignition switch connector.
3. Check voltage between push-button ignition switch harness connector and
ground. 
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 2.
2.CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
1. Disconnect BCM connector and IPDM E/R connector.
2. Check continuity between push-button ignition switch harness connector and
BCM harness connector.
3. Check continuity between push-button ignition switch harness connector and
ground.
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.
>> Inspection End.
4.CHECK PUSH-BUTTON IGNITION SWITCH GROUND CIRCUIT
Check continuity between push-button ignition switch harness connector and
ground. 
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace harness.
5.CHECK PUSH-BUTTON IGNITION SWITCH
Refer to SEC "Component Inspection".
Is the inspection result normal?
YES >> GO TO 6.
NO >> Replace push-button ignition switch. Refer to SEC "Removal and Installation".
6.CHECK INTERMITTENT INCIDENT
Refer to GI "Intermittent Incident".
>> Inspection End.
1.CHECK PUSH-BUTTON IGNITION SWITCH
1. Turn ignition switch OFF.
2. Disconnect push-button ignition switch connector.
3. Check continuity between push-button ignition switch terminals. 
Is the inspection reult normal?
YES >> Inspection End.
NO >> Replace push-button ignition switch. Refer to SEC "Removal and Installation".
Drive belt
1. Water pump pulley
2. Generator pulley
3. Manual tensioner pulley
4. Air conditioner compressor pulley
5. Crankshaft pulley
WARNING
Be sure the ignition switch is placed in the
OFF or LOCK position before servicing
drive belt. The engine could rotate
unexpectedly.
1. Visually inspect t ...
P0979 Shift solenoid C
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0979
Shift Solenoid C Control Circuit
Low
The following diagnosis conditions
are met, and the current
monitor reading of the TCM 2-4
brake solenoid valve is ...