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Diagnostic Procedure NCEC0278 1 CHECK INPUT 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 3. NG © GO TO 2. 2 DETECT MALFUNCTIONING PART Check the following. I Harness connectors F23, M49 I Harness for open or short between ECM and combination meter © Repair open circuit or short to ground or short to power in harness or connectors. 3 CHECK SPEEDOMETER FUNCTION Make sure that speedometer functions properly. OK or NG OK © GO TO 5. NG © GO TO 4. 4 CHECK SPEEDOMETER CIRCUIT FOR OPEN AND SHORT Check the following. I Harness connectors M6, E75 I Harness connectors E33, E101 I Harness for open or short between combination meter and vehicle speed sensor OK or NG OK © Check combination meter and vehicle speed sensor. Refer to EL-84, “METERS AND NG © Repair open circuit or short to ground or short to power in harness or connectors. 5 CHECK INTERMITTENT INCIDENT Perform “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-146. © INSPECTION END GI MA EM LC FE CL MT AT AX SU BR ST RS BT HA SC EL IDX DTC P0500 VEHICLE SPEED SENSOR (VSS) Diagnostic Procedure EC-435 |