|
|
Diagnostic Procedure NCEC0142 1 CHECK POWER SUPPLY 1. Turn ignition switch “OFF”. SEF917Z 3. Turn ignition switch “ON”. SEF934X OK or NG OK © GO TO 3. NG © GO TO 2. 2 DETECT MALFUNCTIONING PART Check the following. I Harness connectors M62, F24 I Fuse block (J/B) connector M2 I 10A fuse I Harness for open or short between heated oxygen sensor 1 (front) and fuse © Repair harness or connectors. 3 CHECK OUTPUT SIGNAL CIRCUIT 1. Turn ignition switch “OFF”. Refer to Wiring Diagram. Continuity should exist. 4. Also check harness for short to ground and short to power. OK or NG OK © GO TO 4. NG © Repair open circuit or short to ground or short to power in harness or connectors. GI MA EM LC FE CL MT AT AX SU BR ST RS BT HA SC EL IDX DTC P0135 HEATED OXYGEN SENSOR 1 HEATER (FRONT) Diagnostic Procedure EC-235 |