1

1. Disconnect the compressor magnetic clutch connector.
2. Turn ON the ignition.
3. Turn the A/C ON.
4. Measure the voltage between compressor magnetic clutch connector and ground.

Does the voltage measure within the specified value?

11-14 V

Go to Step 2

Go to Step 3

Repair the compressor magnetic clutch or replace the compressor assembly.

Did you complete the repair?

--

System OK

--

Inspect the fuse EF24.

Is the fuse open?

--

Go to Step 4

Go to Step 5

Repair the short circuit between fuse EF24 and terminal 1 of compressor magnetic clutch connector.

Did you complete the repair?

--

System OK

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1. Turn ON the ignition.
2. Measure voltage at the following terminals and ground.

•	Terminal 87 of A/C compressor relay

•	Terminal 85 of A/C compressor relay

Do both voltages measure within the specified value?

11-14 V

Go to Step 9

Go to Step 6

Do both voltages measure equal to specified value?

0 V

Go to Step 7

Go to Step 8

1. Inspect fuse F17 in the I/P fuse block.
2. If blown, repair any short wire and replace the fuse.
3. Inspect the wire from fuse F17 to terminal 86 of A/C compressor relay and repair or replace as needed.

Did you complete the repair?

--

System OK

--

Inspect the terminal of compressor relay and replace it as needed.

Did you complete the repair?

--

System OK

--

1. Turn OFF the ignition.
2. Measure the resistance between terminal 87 of A/C compressor relay and magnetic terminal 1 of A/C compressor clutch.

Does the resistance measure equal to specified value?

0 ohms

Go to Step 11

Go to Step 10

Repair the open circuit.

Did you complete the repair?

--

System OK

--

1. Disconnect the connector of compressor magnetic clutch.
2. Measure the resistance between terminal 2 of A/C compressor magnetic clutch and ground.

Does the resistance measure within the specified value?

0 ohms

Go to Step 13

Go to Step 12

Repair the open circuit between terminal 2 of the A/C compressor magnetic clutch and ground.

Did you complete the repair?

--

System OK

--

1. Turn OFF the ignition.
2. Measure the resistance between terminal 85 of A/C compressor relay and following the engine control module (ECM) terminal.

•	Terminal K29 for 2.0L (MR-140)

•	Terminal A15 for 2.0L (ITMS-6)

•	Terminal 41 for 1.6D (SIRIUS D4)

Does the resistance measure equal to specified value?

0 ohms

Go to Step 15

Go to Step 14

Repair the open circuit.

Did you complete the repair?

--

System OK

--

Replace the ECM.

Did you complete the replacement?

--

System OK

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