Diagnostic Procedure

Check Crankshaft Position Sensor (POS)
Refer to COMPONENT INSPECTION .

OK or NG
1. OK: Go to 2.
2. NG: Replace crankshaft position sensor (POS).
Check Camshaft Position Sensor (PHASE)
Refer to COMPONENT INSPECTION .

OK or NG
1. OK: Go to 3.
2. NG: Replace camshaft position sensor (PHASE).
Check Camshaft (Intake)
Check the following.
- Accumulation of debris to the signal plate of camshaft rear end
- Chipping signal plate of camshaft rear end
OK or NG
1. OK: Go to 4.
2. NG: Remove debris and clean the signal plate of camshaft rear end or replace camshaft.
Check Intermittent Incident
Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .

For wiring diagram, Refer to WIRING DIAGRAM for CKP sensor (POS), WIRING DIAGRAM and BANK 2 for CMP sensor (PHASE).
1. Inspection end