Part 2 of 2

Chart C-10A Part 2 Of 2:

Wiring Diagram:

TEST DESCRIPTION: Numbers below refer to circled numbers on the diagnostic chart.

1. Checks to see if the ECM is controlling A/C clutch control relay.

2. Checks for battery voltage to the A/C compressor relay through circuit 339.

3. Bypasses the relay to determine if the problem is in relay or in circuit 59, A/C clutch coil, or ground.