Condenser Fan Relay System - Mitsubishi Lancer Evolution-VII Workshop Manual

Inspection Procedure 25

Condenser fan relay system

The condenser fan relay turns ON with the signal from the engine-ECU, and
power is supplied to the condenser fan motor.
Check the condenser fan motor.
(Refer to GROUP 14 - Engine
Cooling.)
OK
MUT-II Actuator Test
D No. 38: Condenser fan (LOW)
D Ignition switch: ON
OK: Condenser fan motor ro-
tates (low speed).
OK
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MPI -
Troubleshooting
NG
Check the following connector:
A-06X
Check the condenser fan relay
(LOW). (Refer to GROUP 14 -
On-vehicle service.)
Measure at the A-06X condenser fan
relay (LOW) connector.
D Remove the relay, and measure
at the connector side.
(1) Voltage between terminal No. 2
and earth
(Ignition switch: ON)
OK: System voltage
(2) Voltage between terminal No. 4
and earth
OK: System voltage
Measure at the C-122 engine-ECU
connector.
D Measure the engine-ECU terminal
voltage.
D Ignition switch: ON
D Voltage between terminal No. 34
and earth
(Ignition switch: ON)
OK: System voltage
Probable cause
D Condenser fan relay (HI) malfunction
D Condenser fan relay (LOW) malfunction
D Condenser fan motor malfunction
D Condenser fan circuit disconnection, short-circuit,
or connector contact defect
D Engine-ECU malfunction
NG
OK
NG
OK
(1) NG
(2) NG
OK
NG
OK
13A-89
Repair
Replace the condenser fan relay
(LOW).
Check the following connector:
C-201
NG
OK
Check the ignition switch. (Refer to
GROUP 54 - Ignition switch.)
OK
NG
Replace the ignition switch.
Check the following connectors:
C-135, C-102, C-209, C-210
OK
Check and repair the harness
between the condenser fan relay
(LOW) and ignition switch.
D Check for disconnection and
damage of the power cable.
Check and replace the harness
between the battery and condenser
fan relay (LOW).
D Check for disconnection and
damage of the power cable.
Check the following connectors:
C-122, C-136 <R.H. drive vehicles>,
A-43 <L.H. drive vehicles>
OK
Check and repair the harness
between the condenser fan relay
(LOW) and engine-ECU.
D Check for disconnection and
damage of the power cable.
Repair