Inspect the F12 fuse.

Is the F12 fuse open?

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Go to Step 2

Go to Step 3

Replace the F12 fuse.

Is the repair complete?

--

System OK

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1. Remove the controller.
2. Measure the voltage between connectors A5 and A 14.

Is the voltage within the specified value?

11-14 V

Go to Step 4

Go to Step 5

1. Inspect the controller for damage.
2. Replace the controller if it is damaged.

Is the repair complete?

--

System OK

--

Measure the voltage between terminal A1 and the ground.

Is the voltage as specified?

0 V

Go to Step 6

Go to Step 7

1. Inspect the wiring harness between fuse F12 and the terminal A5 for damage.
2. Replace the wiring harness if it is damaged.

Is the repair complete?

--

System OK

--

1. Inspect the wiring harness between terminal A14 and ground G205 for damage.
2. Repair the wiring harness, or ground connection as required.

Is the repair complete?

--

System OK

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