Work Flow

DETAILED FLOW
1. REVIEW CUSTOMER COMPLAINT
Review customer complaint. Try to obtain detailed information about the conditions when the symptom occurs.
>> GO TO 2
2. VERIFY THE SYMPTOM
Verify the symptom by performing an operational check. Refer to WW"System Description".
>> GO TO 3
3.PERFORM TROUBLE DIAGNOSIS BY SYMPTOM
Diagnose the vehicle by performing the appropriate trouble diagnosis. Refer to WW "Symptom Table".
>> GO TO 4
4. REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace the specific parts.
>> GO TO 5
5. FINAL CHECK
Perform a final inspection of the system.
Is the inspection result normal?
YES >> Inspection End.
NO >> GO TO 2.
DTC/CIRCUIT DIAGNOSIS

Description Diagnosis Procedure 1. CHECK FUSES Check that the following fuses are not blown. Is the f ...
Intake valve timing control
Intake valve timing control : System Diagram
Intake valve timing control : system description
INPUT/OUTPUT SIGNAL CHART
Sensor
Input signal to ECM
ECM function
Actuator
Crankshaft position sensor (POS)
Engine speed*1
Piston position
Intake valve timing
con ...
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
...