Schematic Reference:: Body Rear End Schematics

Did you perform the Diagnostic System Check - Body Rear End?

Go to Step 2

Go to Diagnostic System Check - Body Rear End

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF, car in PARK.
3. With a scan tool, view the Trunk Release output parameter in the Rear Integration Module (RIM).
4. With a scan tool, command the rear compartment lid release ON and OFF.

Does the parameter change state?

Go to Step 3

Go to Step 21

Did the rear compartment lid release operate?

Go to Step 12

Go to Step 4

1. Disconnect the rear compartment lid release actuator.
2. Connect a test lamp between the control circuit of the rear compartment lid release actuator and the ground circuit of the rear compartment lid release actuator.
3. With a scan tool, command the rear compartment lid release ON and OFF.

Does the test lamp turn on and off with each command?

Go to Step 18

Go to Step 5

1. Connect a test lamp between the control circuit of the rear compartment lid release actuator and a good ground.
2. With a scan tool, command the rear compartment lid release ON and OFF.

Does the test lamp turn on and off with each command?

Go to Step 7

Go to Step 6

Test the control circuit of the rear compartment lid release actuator for 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 8

Go to Step 4

Repair the high resistance or open in the ground circuit of the rear compartment lid release actuator. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 28

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1. Remove rear compartment lid release relay.
2. Connect a test lamp between the feed circuit of the rear compartment lid release relay and a good ground.

Does the test lamp illuminate?

Go to Step 10

Go to Step 9

Repair the feed circuit of the rear compartment lid release relay for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 28

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1. Connect a test lamp between the coil feed circuit of the rear compartment lid release relay and the coil control circuit of the rear compartment lid release relay.
2. With a scan tool, command the rear compartment lid release ON and OFF.

Does the test lamp turn ON and OFF with each command?

Go to Step 12

Go to Step 11

Test the coil control circuit of the rear compartment lid release relay for a short to ground, 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 28

Go to Step 21

With a scan tool, observe the Trunk Release parameter in the Instrument Panel Module (IPM) with (CJ2) or Instrument Panel Cluster (IPC) with (C67) data list.

Does the scan tool display OFF?

Go to Step 18

Go to Step 9

1. Activate the rear compartment lid release switch, in the glove box.
2. With a scan tool, observe the Trunk Release parameter in the IPM or IPC data list.

Does the parameter change state?

Go to Step 28

Go to Step 14

1. Disconnect the rear compartment lid release switch.
2. Connect a fused jumper wire between the input circuit of the rear compartment lid release switch and the ground circuit of the rear compartment lid release switch.
3. With a scan tool, observe the Trunk Release parameter in the IPM or IPC data list.

Does the parameter change state?

Go to Step 20

Go to Step 15

1. Connect a fused jumper wire between the input circuit of the rear compartment lid release switch and a good ground.
2. With a scan tool, observe the Trunk Release parameter in the IPM (CJ2) or IPC (C67) data list.

Does the parameter change state?

Go to Step 16

Go to Step 17

Repair the high resistance or open in the ground circuit of the rear compartment lid release switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 28

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Test the input circuit of the rear compartment lid release switch for 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 28

Go to Step 22

Inspect for poor connections at the rear compartment lid release actuator. 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 28

Go to Step 23

Inspect for poor connections at the rear compartment lid release relay. 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 28

Go to Step 24

Inspect for poor connection at the harness connector of the rear compartment lid release 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 28

Go to Step 25

Inspect for poor connection at the harness connector of the Rear Integration Module (RIM). 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 28

Go to Step 26

Inspect for poor connection at the harness connector of the IPM (CJ2) or IPC (C67). 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 28

Go to Step 27

Replace the rear compartment lid release actuator. Refer to Rear Compartment Lid Latch Replacement .

Did you complete the replacement?

Go to Step 28

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Replace the rear compartment lid release relay.

Did you complete the replacement?

Go to Step 28

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Replace the trunk release switch. Refer Rear Compartment Lid Switch Replacement in Instrument Panel, Gauges and Console.

Did you complete the replacement?

Go to Step 28

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Replace the RIM. Refer to Rear Integration Body Control Module Replacement in Body Control Systems.

Did you complete the replacement?

Go to Step 28

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Replace the IPM (CJ2) or IPC (C67). Refer to Instrument Panel Module Replacement in Body Controls or Instrument Cluster Replacement in Instrument Panel, Gauges and Console.

Did you complete the replacement?

Go to Step 28

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Operate the system for which the symptom occurred.

Did you correct the condition?

System OK

Go to Step 2