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5 DETECT MALFUNCTIONING PART
Check the following.
I Harness connectors E8, E17
I Joint connector-10
I Harness for open or short between cooling fan relays-2 and -3 and ECM
© Repair open circuit or short to ground or short to power in harness or connectors.
6 CHECK COOLING FAN RELAYS-2 AND -3
Check continuity between cooling fan relay-2, -3 terminals 3 and 5, 6 and 7 under the following conditions.
SEF591X
OK or NG
OK © GO TO 7.
NG © Replace cooling fan relays.
7 CHECK COOLING FAN MOTORS
Supply battery voltage between the following terminals and check operation.
SEF592X
OK or NG
OK © GO TO 8.
NG © Replace cooling fan motors.
8 CHECK INTERMITTENT INCIDENT
1. Perform “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-156.
© INSPECTION END
DTC P1217 ENGINE OVER TEMPERATURE
Diagnostic Procedure (Cont’d)
EC-548
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