DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.DTC REPRODUCTION PROCEDURE
With CONSULT
Is DTC "C1607" or "C1608" detected?
YES >> Proceed to diagnosis procedure. Refer to STC "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS
With CONSULT
Is DTC "C1607" or "C1608" detected?
YES >> Replace EPS control unit. Refer to STC "Removal and Installation".
NO >> Check EPS control unit pin terminals for damage or loose connection with harness connector. If any item are damaged, repair or replace malfunctioning component.
Description EPS control unit receives the vehicle speed signal from ABS actuator and electric unit (control unit) via CAN communication line. ...
Ignition timing
Inspection
1.CHECK IGNITION TIMING
1. Attach timing light (A) to loop wire (1) as
shown.
2. Check ignition timing.
1 : Timing indicator
>> INSPECTION END
...
P0731 1GR Incorrect ratio
Description
This malfunction is detected when the A/T does not shift into 1GR 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 ...