Dtc P0481 A/C Condenser Fan Control Circuit Malfunction - Suzuki Jimny Service Manual

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6-92 ENGINE GENERAL INFORMATION AND DIAGNOSIS

DTC P0481 A/C Condenser Fan Control Circuit Malfunction

CIRCUIT DESCRIPTION

1. Ignition switch

DTC DETECTING CONDITION

• Low voltage at terminal E18-18 when ECM doesn't out-

put A/C ON signal to A/C amplifier or when engine cool-

ant temp. is not 110 °C (230 °F) or more.

✱ ✱ ✱ ✱ 2 driving cycle detection logic, continuous monitoring.

DTC CONFIRMATION PROCEDURE

1) Turn ignition switch OFF.

2) Clear DTC with ignition switch ON.

3) Start engine and then turn both A/C switch and heater blower switch ON for 2 sec or more.

4) Run engine at idle for 5 sec or more which A/C switch and heater blower switch OFF.

5) Check DTC and pending DTC.

3. A/C condenser fan relay

5. A/C condenser fan

• "P/B" or "Lg" circuit open or short

• Condenser fan motor relay malfunction

• ECM malfunction

POSSIBLE CAUSE

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