CO(H4DOSTC)-14
COOLING
RADIATOR SUB FAN SYSTEM
NOTE:
Inspection by distributor service is required, because probable cause is deterioration of multiple parts.
12
CHECK HARNESS BETWEEN SUB FAN RE-
LAY TERMINAL AND SUB FAN MOTOR
CONNECTOR.
Measure resistance of harness between sub
fan motor connector and sub fan relay termi-
nal.
Connector & terminal
(F16) No. 2 — (F28) No. 20:
Is the measured value less than the specified
valve?
1
Ω
Go to step 13.
Repair open circuit
in harness
between sub fan
motor and sub fan
relay connector.
13
CHECK HARNESS BETWEEN SUB FAN RE-
LAY AND ECM.
1) Turn ignition switch to OFF.
2) Disconnect connector from ECM.
3) Measure resistance of harness between
sub fan relay connector and ECM connec-
tor.
Connector & terminal
(F28) No. 22 — (B134) No. 13:
Is the measured value less than the speci-
fied valve?
1
Ω
Go to step 14.
Repair open circuit
in harness
between sub fan
relay and ECM.
14
CHECK POOR CONTACT.
Check poor contact in connector between sub
fan and ECM.
Is there poor contact in connector between sub
fan motor and ECM?
There is poor contact.
Repair poor con-
tact connector.
Contact with dis-
tributor service.
Step
Value
Yes
No