|
|
PROCEDURE B =NCEC0511S02 1 CHECK COOLING FAN POWER SUPPLY CIRCUIT 1. Turn ignition switch “OFF”. SEF593X OK or NG OK © GO TO 3. NG © GO TO 2. 2 DETECT MALFUNCTIONING PART Check the following. I Harness for open or short between cooling fan relays-2 and -3 and fuse I Harness for open or short between cooling fan relays-2 and -3 and fusible link © Repair harness or connectors. 3 CHECK COOLING FAN MOTOR CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch “OFF”. terminal 6 and cooling fan motor-1 terminal 3, cooling fan relay-2 terminal 7 and body ground. Refer to Wiring Diagram. Continuity should exist. 4. Also check harness for short to ground and short to power. terminal 6 and cooling fan motor-2 terminal 3, cooling fan relay-3 terminal 7 and body ground. Refer to Wiring Diagram. Continuity should exist. 6. 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. 4 CHECK COOLING FAN OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Disconnect ECM harness connector. Refer to Wiring Diagram. Continuity should exist. 3. Also check harness for short to ground and short to power. OK or NG OK © GO TO 6. NG © GO TO 5. GI MA EM LC FE CL MT AT AX SU BR ST RS BT HA SC EL IDX DTC P0217 COOLANT OVERTEMPERATURE ENRICHMENT PROTECTION Diagnostic Procedure (A/T Models) (Cont’d) EC-307 |