1

Test the heated seat.

Is the heated seat operative?

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System OK

Go to Step 2

Inspect the HEATING MAT EF30 fuse.

Is the fuse open?

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Go to Step 3

Go to Step 4

1. Test for a short circuit and repair if necessary.
2. Replace the HEATING MAT EF30 fuse.

Is the repair complete?

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System OK

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Use a voltmeter to test the voltage at terminal 5 of both the left and the right heated seat switch.

Does the voltmeter indicate the specified value?

11-14V

Go to Step 6

Go to Step 5

Repair the open circuit between the HEATING MAT EF30 fuse and terminal 5 of the heated seat switch.

Is the repair complete?

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System OK

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1. Turn the ignition switch ON.
2. Turn the heated seat switch of the inoperative seat ON.
3. Use the voltmeter to test the voltage at terminal 2 of the heated seat switch.

Does the voltmeter indicate the specified value?

11-14V

Go to Step 8

Go to Step 7

Replace the heated seat switch. Refer to Heated Seat Switch Replacement.

Is the repair complete?

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System OK

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1. Turn the ignition switch ON.
2. Turn the heated seat switch of the inoperative seat ON.
3. Use the voltmeter to test the voltage at terminal 2 of the inoperative heated seat.

Does the voltmeter indicate the specified value?

11-14V

Go to Step 10

Go to Step 9

Repair the open circuit between terminal 2 of the heated seat switch connector and terminal 2 of the heated seat connector.

Is the repair complete?

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System OK

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1. Turn the ignition switch ON.
2. Turn the heated seat switch of the inoperative seat ON.
3. Use the voltmeter to test the voltage at terminal 2 of the heated seat.

Does the voltmeter indicate the specified value?

11-14V

Go to Step 12

Go to Step 11

Replace the heated seat. Refer to Front Seat Replacement - Bucket.

Is the repair complete?

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System OK

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Repair the open ground circuit.

Is the repair complete?

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System OK

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