1

Inspect fuse EF15.

Is fuse EF15 open?

--

Go to Step 2

Go to Step 3

1. Check for a short circuit and repair, if necessary.
2. Replace the blown fuse.

Is the repair complete?

--

System OK

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1. Turn the lamp switch ON.
2. Use a voltmeter to check battery voltage at fuse EF15.

Does the battery voltage match the value specified?

11-14 V

Go to Step 5

Go to Step 4

Repair the open power supply circuit to fuse EF15.

Is the repair complete?

--

System OK

--

Use an ohmmeter to check the resistance between ground and the BK wire of the dimmer control switch connector.

Is the resistance equal to the specified value?

0

Go to Step 7

Go to Step 6

Repair the open ground circuit.

Is the repair complete?

--

System OK

--

1. Turn the lamp switch ON.
2. Use a voltmeter to check for battery voltage at the BN/WH wire of the dimmer control switch connector.

Does the battery voltage match the value specified?

11-14 V

Go to Step 9

Go to Step 8

Repair the open circuit between the BN/WH wire of the dimmer control switch connector and fuse EF15.

Is the repair complete?

--

System OK

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1. Disconnect the dimmer control switch.
2. Turn the lamp switch ON.
3. Use a voltmeter to check for battery voltage at the L-GN/RD wire of the dimmer control switch connector.

Does the battery voltage match the value specified?

11-14 V

Go to Step 11

Go to Step 10

Repair the open circuit between the L-GN/RD wire of the dimmer control switch connector and each lamps.

Is the repair complete?

--

System OK

--

Replace the dimmer control switch.

Is the replacement complete?

--

System OK

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