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PROCEDURE B =NHEC0614S02 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 Joint connector-8 I Joint connector-9 I Harness for open or short between cooling fan relays-2 and -3 and joint connectors-8, -9 I Harness for open or short between cooling fan relays-2 and -3 and joint connectors-8, -9 © Repair harness or connectors. 3 CHECK COOLING FAN GROUND CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch “OFF”. terminal 7 and cooling fan motor-1 terminal 4, cooling fan relay-2 terminal 6 and body ground. Refer to Wiring Diagram. Continuity should exist. 4. Also check harness for short to ground and short to power. terminal 7 and cooling fan motor-2 terminal 4, cooling fan relay-3 terminal 6 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. GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX DTC P0217 COOLANT OVERTEMPERATURE ENRICHMENT PROTECTION Diagnostic Procedure (Cont’d) EC-327 |