Step | Action | Values | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Heated Seats Schematics | ||||||||||
1 | Did you review the Heated Seats Description and Operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms - Seats | ||||||
2 | Operate the heated seat system. Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||||
3 |
Is the measured voltage within the specified value while the switch is activated in the high and low modes? | 6-12 V | Go to Step 4 | Go to Step 6 | ||||||
4 | Connect a test lamp from the battery voltage supply circuit 2340 terminal in the body harness connector half to a good ground. Does the test lamp illuminate? | -- | Go to Step 5 | Go to Step 13 | ||||||
5 | Connect a test lamp from battery voltage to the ground circuit terminal in the body harness connector half. Does the test lamp illuminate? | -- | Go to Step 9 | Go to Step 14 | ||||||
6 |
Does the test lamp illuminate? | -- | Go to Step 7 | Go to Step 15 | ||||||
7 | Connect a test lamp from battery voltage to the ground circuit terminal in the heated seat switch harness connector. Does the test lamp illuminate? | -- | Go to Step 8 | Go to Step 16 | ||||||
8 | Test the heated seat switch signal circuit for a open or short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 20 | Go to Step 11 | ||||||
9 |
Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 20 | Go to Step 10 | ||||||
10 |
Is the resistance within the specified values? | 0.5-2.0 ohms | Go to Step 12 | Go to Step 17 | ||||||
11 | Inspect for poor connections at the harness connector of 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 20 | Go to Step 18 | ||||||
12 | Inspect for poor connections at the heated seat harness connectors. 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 20 | Go to Step 19 | ||||||
13 | Repair the heated seat battery voltage supply circuit for an open or short to ground. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 20 | -- | ||||||
14 | Repair the heated seat ground circuit for an open or high resistance. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 20 | -- | ||||||
15 | Repair the heated seat switch ignition voltage supply circuit for an open or short to ground. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 20 | -- | ||||||
16 | Repair the heated seat switch ground circuit for an open or high resistance. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 20 | -- | ||||||
17 | Replace the seat back heater element. Refer to Driver Seat and Passenger Seat Back Cushion Heater Replacement . Did you complete the repair? | -- | Go to Step 20 | -- | ||||||
18 | Replace the heated seat switch. Refer to Front Seat Heater Switch Replacement . Did you complete the repair? | -- | Go to Step 20 | -- | ||||||
19 | Replace the seat cushion heater element assembly. Refer to and Driver Seat and Passenger Seat Cushion Heater Replacement . Did you complete the repair? | -- | Go to Step 20 | -- | ||||||
20 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 | ||||||
