Heated Seat Switch High Indicator Malfunction. Buick LeSabre 2003

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2003 🢒 LeSabre 🢒 Body and Accessories 🢒 Seats 🢒 Heated Seat Switch High Indicator Malfunction

Step	Action	Yes	No
Schematic Reference: Heated Seats Schematics
1	Did you perform the Diagnostic System Check - Power Seat Systems?	Go to Step 2	Go to Diagnostic System Check - Power Seat Systems
2	Verify that the Heated Seat Switch High Indicator Malfunction is present. Does the heated seat switch high temperature indicator operate as described in the system description and operation?	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems	Go to Step 3
3	Turn ON the ignition, with the engine OFF. Is the heated seat switch HI temperature indicator always on?	Go to Step 8	Go to Step 4
4	Turn OFF the ignition. Disconnect the heated seat switch connector. Connect a 3-amp fused jumper wire from the ground terminal of the heated seat switch to a good ground. Probe the high temperature indicator terminal of the heated seat switch with a test lamp that is connected to battery positive voltage. Does the heated seat switch HI temperature indicator illuminate?	Go to Step 5	Go to Step 10
5	Test the heated seat high temperature indicator control circuit between the heated seat switch and the door control module for a short to ground, a high resistance, or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems Did you find and correct the condition?	Go to Step 13	Go to Step 6
6	Test the heated seat control module status signal circuit between the rear integration module and the heated seat module for a short to ground, a high resistance, or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems Did you find and correct the condition?	Go to Step 13	Go to Step 7
7	Test the heated seat control module status signal circuit between the rear integration module and the heated seat module for a short to battery voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems Did you find and correct the condition?	Go to Step 13	Go to Step 9
8	Test the heated seat high temperature indicator control circuit between the heated seat switch and the door control module for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 13	Go to Step 9
9	Inspect the for poor connections at the harness connector of the door control module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 13	Go to Step 11
10	Inspect the for poor connections at the harness connector of the heated seat switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 13	Go to Step 12
11	Replace the door control module. Refer to Door Control Module Replacement in Doors. Did you complete the replacement?	Go to Step 13	--
12	Replace the heated seat switch. Refer to Heated Seat Switch Replacement . Did you complete the replacement?	Go to Step 13	--
13	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2