Heated Seat Inoperative All
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the entire Heated Seats System Check performed? | -- | ||
2 |
Is the IGN 3 RR Fuse OK? | -- | ||
3 | Repair the short to ground in CKT 41 (BRN). Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
4 | Replace the IGN 3 RR Fuse. Refer to Wiring Repairs in Wiring Systems. Is the fuse replacement complete? | -- | -- | |
5 |
Is the resistance less than the specified value? | 5 ohms | ||
6 | Repair the short to ground in CKT 182 (YEL). Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
7 | Replace the rear integration module (RIM). Refer to Body Control Module Replacement in Body Control System. Is the RIM replacement complete? | -- | -- |
Heated Seat Inoperative Front
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the entire Heated Seats System Check performed? | -- | Go to Step 2 | |
2 |
Is the voltage within the specified range? | 10-15 V | Go to Step 3 | Go to Step 13 |
3 | 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 |
4 |
Is the voltage within the specified range? | 10-15 V | Go to Step 5 | Go to Step 18 |
5 |
Is the resistance less than the specified value? | 5 ohms | Go to Step 9 | Go to Step 6 |
6 |
Is the resistance less than the specified value? | 5 ohms | Go to Step 7 | Go to Step 19 |
7 |
Is the resistance less than the specified value? | 5 ohms | Go to Step 8 | Go to Step 20 |
8 | 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? | -- | -- | |
9 |
Is the resistance within the specified range? | 1.5-10 ohms | Go to Step 10 | Go to Step 21 |
10 | Connect a DMM from the front heated seat module connector C2 cavity A to cavity B. Is the resistance within the specified range? | 1.5-10 ohms | ||
11 | 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 |
12 | Replace the front heated seat module. Refer to Heater Module Replacement . Is the front heated seat module replacement complete? | -- | -- | |
13 | Check HTDSTLF Fuse (LH) or HTDSTRF Fuse (RH) for an open. Is HTDSTLF Fuse (LH) or HTDSTRF Fuse (RH) OK? | -- | Go to Step 18 | Go to Step 14 |
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? | -- | Go to Step 15 | -- |
15 | Replace HTDSTLF Fuse (LH) or HTDSTRF Fuse (RH). Refer to Wiring Repairs in Wiring Systems. Is the fuse replacement complete? | -- | -- | |
16 | Repair the open in CKT 2440 (ORN) (LH) or CKT 2540 (ORN) (RH) between the rear junction block and the front heated seat module. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
17 | 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? | -- | -- | |
18 | Repair the open in CKT 41 (BRN) between the rear junction block and the front heated seat module. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
19 | 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? | -- | -- | |
20 | Replace the front heated seat switch. Refer to Console Trim Plate Replacement in Instrument Panel, Gauges and Console. Is the front heated seat switch replacement complete? | -- | -- | |
21 | Replace the faulty heat element. Refer to Driver Seat and Passenger Seat Back Cushion Heater Replacement . Is the heat element replacement complete? | -- | -- | |
22 | Replace the faulty heat element. Refer to Driver Seat and Passenger Seat Cushion Heater Replacement Is the heat element replacement complete? | -- | -- |
