Mitsubishi Engine cooling User Manual

ENGINE COOLING -
Special Tool/Troubleshooting
14-3
SPECIAL TOOL
14100060038
Tool Number Name Use
A
B
C
D
MB991223
A: MB991219
B: MB991220
C: MB991221
D: MB991222
Harness set
A: Test harness
B: LED harness
C: LED harness
adapter
D: probe
Measurement of terminal voltage
A: Connector pin contact pressure inspection
B: Power circuit inspection
C: Power circuit inspection
D: Commercial tester connection
TROUBLESHOOTING
14100560019
INSPECTION CHART FOR TROUBLE SYMPTOMS
Trouble symptoms Inspection procedure
No.
Reference page
Radiator fan and condenser fan do not operate. <Vehicles with A/C>
Radiator fan does not operate. <V ehicles without A/C>
1 14-3
Radiator fan and condenser fan do not change speed or stop.
<Vehicles with A/C>
Radiator fan does not change speed or stop. <Vehicles without A/C>
2 14-6
Radiator fan does not operate. <V ehicles with A/C> 3 14-8
Condenser fan does not operate. <Vehicles with A/C> 4 14-8
INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS
Inspection Procedure 1
Radiator fan and condenser fan do not operate.
<Vehicles with A/C>
Radiator fan does not operate. <Vehicles without A/C>
Probable cause
The cause could be a malfunction of the fan controller power supply or earth circuit.
The cause could also be a malfunction of the fan controller or the engine-ECU.
D
Malfunction of fusible link
D
Malfunction of fan control relay
D
Malfunction of fan controller
D
Malfunction of engine-ECU
D
Malfunction of wiring harness or connector

Mitsubishi Engine cooling Specifications

General

Brand	Mitsubishi
Model	Engine cooling
Category	Engine
Language	English