Mitsubishi 380. Manual — part 232
ENGINE COOLING DIAGNOSIS
ENGINE COOLING
14-12
STEP 12. Check the harness wire between intermediate
connector A-13 terminal 2 and fan control relay connector
A-10X terminal 3.
Q: Are these harness wires in good condition?
YES : An intermittent malfunction is suspected (Refer to
).
NO : Repair the damaged harness wire. Then go to Step
24.
AK303148
CONNECTOR: A-13
AB
A-13(GR)
04DB012A
Fusible link
No.2
Relay box
Fan control
relay
A-10X
4
ENGINE COOLING DIAGNOSIS
ENGINE COOLING
14-13
STEP 13. Check the continuity between fan control relay
connector A-10X and body earth.
(1) Disconnect fan control relay connector A-10X (remove the
fan control relay) and measure relay box side connector.
(2) Measure the resistance between fan control relay connector
A-10X terminal 1 and body earth.
• Continuity exists.
(3) Connect fan control relay connector A-10X (install the fan
control relay).
Q: Does the continuity exists?
YES : An intermittent malfunction is suspected (Refer to
).
NO : Go to Step 14.
STEP 14. Check the fan control relay connector A-10X.
Q: Is the connector in good condition?
YES : Go to Step 15.
NO : Repair the connector or replace the relay box. Then
go to Step 24.
04DB012A
Fusible link
No.2
Relay box
Fan control
relay
A-10X
4
04DB015A
A-10X Connector
(Relay box side)
04DB012A
Fusible link
No.2
Relay box
Fan control
relay
A-10X
4
ENGINE COOLING DIAGNOSIS
ENGINE COOLING
14-14
STEP 15. Check the earth connector A-14.
Q: Is the connector in good condition?
YES : Go to Step 16.
NO : Repair or replace the connector. Then go to Step 24.
STEP 16. Check the harness wire between fan control relay
connector A-10X terminal 1 and body earth connector A-14
terminal 6.
Q: Is the harness wire in good condition?
YES : An intermittent malfunction is suspected (Refer to
GROUP 00 - How to use troubleshooting
NO : Repair the damaged harness wire. Then go to Step
24.
04DB019A
RELAY BOX
A-14
04DB012A
Fusible link
No.2
Relay box
Fan control
relay
A-10X
4
04DB019A
RELAY BOX
A-14
ENGINE COOLING DIAGNOSIS
ENGINE COOLING
14-15
STEP 17. Check the continuity between fan controller
connector A-24 and body earth.
(1) Disconnect fan controller connector A-24 and measure
wiring harness side connector.
(2) Measure the resistance between fan controller connector
A-24 terminal 1 and body earth.
• Continuity exists.
(3) Connect fan controller connector A-24.
Q: Dose the continuity exists?
YES : Go to Step 20.
NO : Go to Step 18.
STEP 18. Check the fan controller connector A-24.
Q: Is the connector in good condition?
YES : Go to Step 19.
NO : Repair or replace the connector. Then go to Step 24.
04DB008A
1
2
3
A-24
Connector: A-24
04DB016A
A-24 Connector
(Wiring harness side)
04DB008A
1
2
3
A-24
Connector: A-24
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