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2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 616

2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 616

Heated/Cooled Seat Schematics ()

Connector End View Reference

Component Connector End Views (See: Diagrams/Connector Views)

Description and Operation

Heated Seats Description and Operation (KA1) ()Heated Seats Description and Operation (KA6) ()

Electrical Information Reference

* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit

Testing/Circuit Testing)

* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic

Procedures/Connector Repairs/Connector Repairs)

* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General

Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring

Repairs/Wiring Repairs)

Scan Tool Reference

Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information

Circuit/System Verification

Verify the type of vehicle and the heated seat system for which the DTC set.

If the DTC set in a hybrid vehicle without memory, refer to Circuit/System Testing below.

If the DTC set in a vehicle equipped with memory, refer to DTC B2508 or B2509 (w/o HP2 with memory).

If the DTC set in a non-hybrid vehicle without memory, refer to DTC B2508 or B2509 (Dealer installed).

If the DTC set in the rear heated seat module, refer to DTC B2508 or B2509 (Rear seat).

Circuit/System Testing

1. Ignition OFF, disconnect the X1 harness connector at the HSM.

2. Test for infinite resistance between the control circuit terminal 6 and ground.

瀚慖f not the specified value, test the control circuits listed below for a short to ground:

* Driver seat cushion and back element terminal 6

* Driver seat cushion element terminal 5

* Driver seat back element terminal 1

3. Test for infinite resistance between the control circuit terminal 3 and ground.

瀚慖f not the specified value, test the control circuits listed below for a short to ground:

* Passenger seat cushion and back element terminal 3

* Passenger seat cushion element terminal 2

* Passenger seat back element terminal 4

4. Ignition ON, verify that a test lamp does not illuminate between the control circuit terminal 6 and ground.

瀚慖f the test lamp illuminates, test the control circuits listed below for a short to voltage:

* Driver seat cushion and back element terminal 6

* Driver seat cushion element terminal 5

* Driver seat back element terminal 1

5. Verify that a test lamp does not illuminate between the control circuit terminal 3 and ground.

瀚慖f the test lamp illuminates, test the control circuits listed below for a short to voltage:

* Passenger seat cushion and back element terminal 3

* Passenger seat cushion element terminal 2

* Passenger seat back element terminal 4

6. If all circuits test normal, replace the HSM.

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