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Power Outlet Receptacle Malfunction

Power Outlet Receptacle Malfunction

Diagnostic Instructions


Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

Review Strategy Based Diagnosis for an overview of the diagnostic approach.

Diagnostic Procedure Instructions provides an overview of each diagnostic category.


Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
B+ 1 1 2 -
Relay Coil Ignition 1 1 2 -
Relay Coil Ground - 1 - -
Relay Switch B+ 1 1 - -
Relay Switch Control 1 1 2 -
Accessory Power Receptacle Ground - 1 - -
1. Power Outlet Receptacle Malfunction 2. Power Outlet Receptacle Always ON


Circuit/System Description

The accessory power receptacles located at the instrument panel and center console are supplied B+ when the ignition is ON or in the Accessory position. The accessory power receptacle located in the rear of the vehicle is supplied B+ at all times.

Reference Information

Schematic Reference

Cigar Lighter/Power Outlet Schematics

Connector End View Reference

Component Connector End Views

Description and Operation

Power Outlets Description and Operation

Electrical Information Reference


Circuit Testing

Connector Repairs

Testing for Intermittent Conditions and Poor Connections

Wiring Repairs


Circuit/System Verification

Install a 12 V DC accessory into a X80 accessory power receptacle. Ignition ON, command the Accessory/Retained Accessory Power Relay Command ON and OFF with a scan tool. The KR76 relay for retained accessory current should click and the 12 V DC accessory should have power.

Circuit/System Testing


Accessory Power Receptacle Center Console or Instrument Panel

1. Switch off the ignition and disconnect the KR76 relay for the retained accessory current.

2. Test for less than 10 Ω between the ground circuit terminal 86 and ground.

3. If greater than the specified range, test the ground circuit for an open/high resistance.

4. Verify that a test lamp does not illuminate between the control circuit terminal 30 and ground.

5. If the test lamp illuminates, test the control circuit for a short to voltage.

6. Ignition ON, verify that a test lamp illuminates between the control circuit terminal 85 and ground.

7. If the test lamp is always OFF, test the control circuit for a short to ground or an open/high resistance. If all circuits test normal, replace the K9 BCM.

8. Verify that a test lamp illuminates between the B+ circuit terminal 87 and ground.

9. If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance. If the circuit tests normal and the B+ circuit fuse is open, test the control circuit terminal 30 for a short to ground.

10. Ignition OFF, disconnect the harness connector at an inoperative X80 accessory power receptacle.

11. Test for less than 10 Ω between the X80 accessory power receptacle ground circuit terminal C and ground.

12. If greater than the specified range, test the ground circuit for an open/high resistance.

13. Connect the harness connector at the X80 accessory power receptacle.

14. Connect a 20 A fused jumper wire between the K76 relay for retained accessory current B+ circuit terminal 87 and the control circuit terminal 30. Verify the 12 V DC accessory receptacle has power.

15. If the 12 V DC does not have power, test the control circuit for a short to ground or an open/high resistance. If the circuit tests normal, test or replace the X80 accessory power receptacle.

16. If all circuits give normal test values test or replace KR76 relay for retained accessory current.



Accessory Power Receptacle Rear Compartment

1. Disconnect the harness at the X80R accessory power receptacle-rear compartment.

2. Test for less than 10 Ω between the ground circuit terminal C and ground.

3. If greater than the specified range, test the ground circuit for an open/high resistance.

4. Verify that a test lamp illuminates between the B+ circuit terminal A and ground.

5. If the test lamp does not illuminate, test the B+ circuit for an open/high resistance or a short to ground.

6. If all circuits test normal, replace the X80R accessory power receptacle - luggage compartment.


Component Testing


Relay Test

1. Switch off the ignition and disconnect the KR76 relay for the retained accessory current.

2. Test for 60-180 Ω between terminals 85 and 86.

3. If not within the specified range, replace the relay.

4. Test for infinite resistance between the following terminals:

30 and 86

30 and 87

30 and 85

85 and 87

5. If not the specified value, replace the relay.

6. Install a 20 A fused jumper wire between relay terminal 85 and 12 V. Install a jumper wire between relay terminal 86 and ground. Test for less than 2 Ω between terminals 30 and 87.

7. If greater than specified range, replace the relay.


Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.


Accessory Power Receptacle Replacement

Relay Replacement (Attached to Wire Harness) Relay Replacement (Within an Electrical Center)