ENGINE COOLING DIAGNOSIS
TSB Revision
ENGINE COOLING
14-11
STEP 8. Check the condenser fan relay connector A-26X,
radiator fan relay connector A-29X, fan control relay
connector A-31X, and ETACS-ECU connector C-312, for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Refer to GROUP 00E, Harness Connector Inspection
P.00E-2
.
Q: Are the connectors and terminals in good condition?
YES : Go to Step 9.
NO : Repair or replace the damaged connectors or replace
the relay box. Then go to Step 23.
STEP 9. Check the harness wire between fusible link
number 28 and condenser fan relay connector A-26X
terminal number 1, between fusible link number 28 and fan
control relay connector A-31X terminal number 1, and
between fusible link number 29 and radiator fan relay
connector A-29X terminal number 3, for damage.
Check harness wire for open/short circuit and damage.
Q: Are the harness wires in good condition?
YES : Go to Step 10.
NO : Repair or replace the damaged harness wire or
replace the relay box. Then go to Step 23.
STEP 10. Check the harness wire between condenser fan
relay connector A-26X terminal number 2 and ETACS-ECU
connector C-312 terminal number 8, between radiator fan
relay connector A-29X terminal number 1 and ETACS-ECU
connector C-312 terminal number 2, and between fan
control relay connector A-31X terminal number 3 and
ETACS-ECU connector C-312 terminal number 8, for
damage.
Check harness wire for open/short circuit and damage.
Q: Are the harness wires in good condition?
YES : Go to Step 11.
NO : Repair or replace the damaged harness wire. Then go
to Step 23.
STEP 11. Check the radiator fan relay, the condenser fan
relay and the fan control relay.
Refer to
P.14-30
.
Q: Are the relays in good condition?
YES : Go to Step 12.
NO : Replace the damaged relay. Then go to Step 23.
STEP 12. Check the fusible link number 28 and fusible link
number 29.
Q: Are the fusible links in good condition?
YES : Go to Step 20.
NO : Replace the damaged fusible link. Then go to Step
23.