Was the entire Heated Seats System Check performed?

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Go to Step 2

Go to Heated Seats System Check

1. Turn the ignition switch to the ON position.
2. Check the rear fuse block IGN 3 RR Fuse for an open.

Is the IGN 3 RR Fuse OK?

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Go to Step 5

Go to Step 3

Repair the short to ground in CKT 41 (BRN). Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

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Go to Step 4

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Replace the IGN 3 RR Fuse.

Is the fuse replacement complete?

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Go to Heated Seats System Check

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1. Disconnect the LH front heated seat module connector C1.
2. Disconnect the RH front heated seat module connector C1.
3. Disconnect the LH rear heated seat module connector C1.
4. Disconnect the RH rear heated seat module connector C1.
5. Disconnect the rear integration module (RIM) connector C1.
6. Connect a DMM from the rear integration module connector C1 cavity B5 (YEL) to ground.

Is the resistance less than the specified value?

5 ohms

Go to Step 6

Go to Step 7

Repair the short to ground in CKT 182 (YEL). Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

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Go to Heated Seats System Check

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Replace the rear integration module (RIM). Refer to Body Control Module Replacement in Body Control System.

Is the RIM replacement complete?

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Go to Heated Seats System Check

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Was the entire Heated Seats System Check performed?

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Go to Step 2

Go to Heated Seats System Check

1. Disconnect the front heated seat module connector C1.
2. Backprobe the front heated seat module connector C1 with a DMM from cavity B (ORN) to ground.

Is the voltage within the specified range?

10-15 V

Go to Step 3

Go to Step 13

Backprobe the front heated seat module connector C1 with a DMM from cavity B (ORN) to cavity E (BLK).

Is the voltage within the specified range?

10-15 V

Go to Step 4

Go to Step 17

1. Turn the ignition switch to the ON position .
2. Backprobe the front heated seat module connector C1 with a DMM from cavity A (BRN) to ground.

Is the voltage within the specified range?

10-15 V

Go to Step 5

Go to Step 18

1. Turn the ignition switch to the OFF position.
2. Connect a DMM from the front heated seat module connector C1 cavity C (PPL) (LH) or (PPL/BLK) (RH) to ground.
3. Press the front heated seat switch.

Is the resistance less than the specified value?

5 ohms

Go to Step 9

Go to Step 6

1. Disconnect the front heated seat switch connector.
2. Connect a DMM from the front heated seat module connector C1 cavity C (PNK) (LH) or (PNK/BLK) (RH) to the front heated seat switch connector cavity C (PNK) (LH) or (PNK/BLK) (RH).

Is the resistance less than the specified value?

5 ohms

Go to Step 7

Go to Step 19

1. Connect a DMM from the front heated seat switch cavity C (PNK) (LH) or (PNK/BLK) (RH) to cavity D (BLK).
2. Press the front heated seat switch.

Is the resistance less than the specified value?

5 ohms

Go to Step 8

Go to Step 20

Repair the open in CKT 350 (BLK) between the front heated seat switch and S321. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

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Go to Heated Seats System Check

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1. Disconnect the front heated seat module connector C2.
2. Disconnect the front heated seat module connector C3.
3. Connect a DMM from the front heated seat module connector C3 cavity A to cavity B.

Is the resistance within the specified value?

1.5-10 ohms

Go to Step 10

Go to Step 21

Connect a DMM from the front heated seat module connector C2 cavity A to cavity B.

Is the resistance within the specified value?

1.5-10 ohms

Go to Step 11

Go to Step 22

Connect a DMM from the front heated seat module connector C2 cavity C to cavity D.

Important: If the resistance is measured with the seat still warm, the resistance may vary outside of the specified range since the thermistor resistance varies with temperature.

Is the resistance within the specified range?

850 - 1150 ohms

Go to Step 12

Go to Step 22

Replace the front heated seat module. Refer to Heater Module Replacement .

Is the front heated seat module replacement complete?

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Go to Heated Seats System Check

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Check HTDSTLF Fuse (LH) or HTDSTRF Fuse (RH) for an open.

Is HTDSTLF Fuse (LH) or HTDSTRF Fuse (RH) OK?

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Go to Step 16

Go to Step 14

Repair the short to ground in CKT 2440 (ORN) (LH) or CKT 2540 (ORN) (RH). Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

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Go to Step 15

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Replace HTDSTLF Fuse (LH) or HTDSTRF Fuse (RH).

Is the fuse replacement complete?

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Go to Heated Seats System Check

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Repair the open in CKT 2440 (ORN) (LH) or CKT 2540 (ORN) (RH) between the rear fuse block and the front heated seat module. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

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Go to Heated Seats System Check

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Repair the open in CKT 550 (BLK) between the LH front heated seat module and S313 (LH) or CKT 650 (BLK) between the RH front heated seat module and S315 (RH). Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

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Go to Heated Seats System Check

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Repair the open in CKT 41 (BRN) between the rear fuse block and the front heated seat module. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

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Go to Heated Seats System Check

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Repair the open in CKT 1501 (PNK) (LH) or CKT 1503 (PNK/BLK) (RH) between the front heated seat module and the front heated seat switch. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

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Go to Heated Seats System Check

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Replace the front heated seat switch. Refer to Front Seat Heater Switch Replacement .

Is the front heated seat switch replacement complete?

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Go to Heated Seats System Check

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Replace the faulty heat element. Refer to Driver Seat and Passenger Seat Back Cushion Heater Replacement .

Is the replacement complete?

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Go to Heated Seats System Check

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Replace the faulty heat element. Refer to Driver Seat and Passenger Seat Cushion Heater Replacement .

Is the replacement complete?

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Go to Heated Seats System Check

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