DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch to ACC, and wait for 1 second or more.
2. Check "Self-diagnosis result" of BCM with CONSULT.
Is DTC detected?
YES >> Go to PCS "Diagnosis Procedure".
NO >> Inspection End.
Regarding Wiring Diagram information, refer to PCS "Wiring Diagram".
1.CHECK ACCESSORY RELAY CONTROL SIGNAL
Check voltage between BCM harness connector and ground.

Is the inspection result normal?
YES >> Replace BCM. Refer to BCS "Removal and Installation".
NO >> GO TO 2.
2.CHECK ACCESSORY RELAY CONTROL SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and accessory relay.
3. Check continuity between BCM harness connector and accessory relay harness
connector.
4. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK ACCESSORY RELAY
Refer to PCS "Component Inspection".
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS "Removal and Installation".
NO >> Replace accessory relay.
1.CHECK ACCESSORY RELAY
1. Turn ignition switch OFF.
2. Remove accessory relay.
3. Check the continuity between accessory relay terminals.


Is the inspection result normal?
YES >> Inspection End.
NO >> Replace accessory relay
U1000 CAN Comm circuitDescription Refer to LAN "CAN COMMUNICATION SYSTEM : System Description". DTC Logic DTC DETECTION LOGIC NOTE: U1000 can be set if a module harness was disconnected and reconnected, ...
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 ...
P0890 TCM
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0890
Transmission Control Module
Power Relay Sense Circuit Low
Under the following diagnosis
conditions, the battery voltage
supplied to the TCM is less than
...