Schematic Reference: Column/Ignition Lock Schematics

Connector End View Reference: Steering Wheel and Column Connector End Views

1

Verify the fault is present.

Does the system operate normally?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 2

1. Push the ignition lock cylinder control actuator release button which is on the underside of the ignition key cylinder.
2. Turn the key to the OFF position and remove the key.

Were you able to turn the key to the OFF position and remove the key?

Go to Step 3

Go to Lock System Does Not Lock

3

1. Turn OFF the ignition.
2. Disconnect the ignition lock cylinder control actuator.
3. Turn ON the ignition, with the engine OFF.
4. Probe the battery positive voltage and voltage supply circuits of the ignition lock cylinder control actuator with a test lamp.

Does the test lamp illuminate?

Go to Step 8

Go to Step 4

4

Connect a test lamp between the battery positive voltage circuit of the ignition lock cylinder control actuator and a good ground.

Does the test lamp illuminate?

Go to Step 5

Go to Step 12

5

1. Turn OFF the ignition.
2. Reconnect the ignition lock cylinder control actuator connector.
3. Disconnect the automatic transmission shift lock actuator connector.
4. Turn ON the ignition, with the engine OFF.
5. Connect a test lamp between the ignition lock cylinder control switch voltage supply and signal circuit.

Does the test lamp illuminate?

Go to Step 10

Go to Step 6

Connect a test lamp ignition lock cylinder control switch between the signal circuit and battery positive voltage.

Does the test lamp illuminate?

Go to Step 13

Go to Step 7

Test the signal circuit of the ignition lock cylinder control actuator for an open. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 17

Go to Step 11

Test the voltage supply circuit of the ignition lock cylinder control actuator for a short to ground. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 17

Go to Step 9

Inspect for poor connections at the ignition lock cylinder control actuator. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs.

Did you find and correct the condition?

Go to Step 17

Go to Step 14

Inspect for poor connections at the automatic transmission shift lock actuator. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs.

Did you find and correct the condition?

Go to Step 17

Go to Step 15

Inspect for poor connections at the harness connector of the DIM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs.

Did you find and correct the condition?

Go to Step 17

Go to Step 16

Repair the battery positive voltage circuit of the ignition lock cylinder control actuator. Refer to Wiring Repairs.

Did you complete the repair?

Go to Step 17

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Repair the voltage supply circuit of the ignition lock cylinder control switch. Refer to Wiring Repairs.

Did you complete the repair?

Go to Step 17

--

Replace the ignition lock cylinder control actuator.

Did you complete the replacement?

Go to Step 17

--

Replace the automatic transmission shift lock control. Refer to Transmission Control Replacement or Transmission Control Replacement.

Did you complete the replacement?

Go to Step 17

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Important: Perform the set up procedure for the DIM .

Replace the DIM. Refer to Dash Integration Module Replacement .

Did you complete the replacement?

Go to Step 17

--

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3