Did you review the Radio/Audio System Operation?

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Go to Step  2

Go to Radio/Audio System Operation

1. Turn ON the ignition, with the engine OFF.
2. Turn ON the radio.
3. Operate all of the steering wheel controls.

Do all of the steering wheel controls operate properly?

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Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step  3

1. Turn OFF the ignition.
2. Disconnect the steering column in-line connector.
3. Turn ON the ignition, with the engine OFF.
4. Test the ignition positive voltage circuit to the steering wheel controls, for a short to ground or open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step  10

Go to Step 4

1. Measure the resistance between the ignition positive voltage circuit (terminal G) of the steering column in-line connector and the steering wheel control signal circuit (terminal H).
2. Press the following steering wheel controls and record the resistance values:

Do the recorded resistances measure near the specified values?

1270 ohms

294 ohms

348 ohms

475 ohms

715 ohms

1180 ohms

2370 ohms

13,580 ohms

Go to Step  5

Go to Step  7

1. Turn OFF the ignition.
2. Disconnect the radio connector.
3. Test the signal circuit between the steering column in-line connector and the radio connector for a short, high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step  10

Go to Step  6

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

Did you find and correct the condition?

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Go to Step  10

Go to Step  9

Inspect for poor connections at the harness connector of the steering wheel radio controls. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step  10

Go to Step  8

Replace the appropriate steering wheel radio control. Refer to Radio Front Side Door Lower Speaker Replacement or Front Upper Speaker Replacement for service procedure.

Did you complete the replacement?

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Go to Step  10

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Replace the radio. Refer to Radio Replacement for service procedure.

Did you complete the replacement?

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Go to Step  10

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Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step  2