|
|
16 CHECK TIMING CHAIN INSTALLATION Check timing chain installation. Refer to EM-29, “TIMING CHAIN”. OK or NG OK © GO TO 17. NG © 1. Repair the timing chain installation. 17 DETECT MALFUNCTIONING PART Check the following. I Check camshaft position sensor (PHASE) and circuit. Refer to “DTC P0340, P0345 CMP SENSOR (PHASE)”, EC-323. I Check crankshaft position sensor (POS) and circuit. Refer to “DTC P0335 CKP SENSOR (POS)”, EC-316. OK or NG OK © GO TO 18. NG © 1. Repair or replace. 18 CHECK ECM FUNCTION 1. Substitute another known-good ECM to check ECM function. (ECM may be the cause of an incident, but this is a rare case.) 2. Perform initialization of IVIS (NATS) system and registration of all IVIS (NATS) ignition key IDs. Refer to “IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM — NATS)”, EC-90. © GO TO 4. 19 CHECK HEATED OXYGEN SENSOR 1 (BANK 1) SIGNAL With CONSULT-II 1. Run engine at about 2,000 rpm for about 2 minutes under no-load. the monitor fluctuates between LEAN and RICH more than 5 times during 10 seconds. PBIB0120E 1 time: RICH → LEAN → RICH 2 times: RICH → LEAN → RICH → LEAN → RICH OK or NG OK © GO TO 21. NG (Monitor does not © GO TO 23. NG (Monitor fluctuates © GO TO 30. GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX BASIC SERVICE PROCEDURE Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment (Cont’d) EC-65 |