Step | Action | Values | Yes | No | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Heated Seats Schematics Connector End View Reference: | ||||||||||||||||
1 | Did you review the Heated Seat System Description and Operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms - Seats | ||||||||||||
2 |
Does the heated seat system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||||||||||
3 | Does the heated seat switch indicator operate normally? | -- | Go to Step 7 | Go to Step 4 | ||||||||||||
4 |
Does the test lamp illuminate? | -- | Go to Step 5 | Go to Step 13 | ||||||||||||
5 | Connect a test lamp from the ignition voltage supply circuit terminal to the ground circuit terminal in the heated seat switch harness connector. Does the test lamp illuminate? | -- | Go to Step 6 | Go to Step 14 | ||||||||||||
6 |
Did you find and correct the condition? | -- | Go to Step 21 | Go to Step 17 | ||||||||||||
7 |
Does the test lamp illuminate? | -- | Go to Step 8 | Go to Step 15 | ||||||||||||
8 | Connect a test lamp from the ignition voltage supply circuit terminal to the ground circuit terminal in the body harness connector. Does the test lamp illuminate? | -- | Go to Step 9 | Go to Step 16 | ||||||||||||
9 |
Does the test lamp illuminate in the high and low switch positions? | -- | Go to Step 10 | Go to Step 11 | ||||||||||||
10 |
Are the resistance measurements at or near the specified values? |
| Go to Step 18 | Go to Step 12 | ||||||||||||
11 | Test the heated seat switch signal circuit for an open or high resistance. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 21 | Go to Step 17 | ||||||||||||
12 | Test the high/low switch signal circuit for the following conditions:
Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 21 | Go to Step 17 | ||||||||||||
13 | Repair the ignition voltage supply circuit to the heated seat switch for an open or short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 21 | -- | ||||||||||||
14 | Repair the heated seat switch ground circuit for an open or high resistance. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 21 | -- | ||||||||||||
15 | Repair the ignition voltage supply circuit to the heated seat module for an open or short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 21 | -- | ||||||||||||
16 | Repair the heated seat module ground circuit for an open or high resistance. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 21 | -- | ||||||||||||
17 | Inspect for poor connections at the heated seat switch. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 21 | Go to Step 19 | ||||||||||||
18 | Inspect for poor connections at the power seat harness connector. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 21 | Go to Step 20 | ||||||||||||
19 | Replace the heated seat switch. Refer to Heated Seat Switch Replacement . Is the repair complete? | -- | Go to Step 21 | -- | ||||||||||||
20 | Replace the seat cushion heater element. Refer to Driver Seat and Passenger Seat Cushion Heater Replacement . Is the repair complete? | -- | Go to Step 21 | -- | ||||||||||||
21 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 | ||||||||||||
