Diagnostic procedure
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STEP
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INSPECTION
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ACTION
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1
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• Is the voice navigation volume from "1" to "7"?
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Yes
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Go to the next step.
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No
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Adjust the volume from "1" to "7".
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2
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• Turn the audio power switch (CD, MD, radio) to ON.
• Does the driver-side front door speaker work?
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Yes
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Replace the car-navigation control unit. (See CAR-NAVIGATION UNIT REMOVAL/INSTALLATION.)
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No
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Go to the next step.
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3
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• Turn the ignition switch to the LOCK position.
• Remove the driver-side front door speaker. (See FRONT DOOR SPEAKER REMOVAL/INSTALLATION.)
• Inspect the connection of the driver-side front door speaker connector (2-pin).
• Is the connector securely connected?
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Yes
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Go to the next step.
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No
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Securely connect the driver-side front door speaker connector.
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4
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• Disconnect the driver-side front door speaker connector (2-pin).
• Inspect both the driver-side front door speaker and wiring harness-side connector for poor connection (such as damaged/pulled-out pins, corrosion).
• Are all the pins normal?
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Yes
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Go to the next step.
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No
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If the driver-side front door speaker side connector is wrong:
Replace the driver-side front door speaker. (See FRONT DOOR SPEAKER REMOVAL/INSTALLATION.)
If the wiring harness-side connector is wrong:
Repair or replace the pins and/or the connector.
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5
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• Remove the car-navigation unit. (See CAR-NAVIGATION UNIT REMOVAL/INSTALLATION.)
• Inspect the connection of the car-navigation unit connector (16-pin).
• Is the connector securely connected?
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Yes
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Go to the next step.
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No
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Securely connect the car-navigation unit connector.
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6
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• Disconnect the car-navigation unit connector (16-pin).
• Inspect both the car-navigation unit and wiring harness-side connector terminal M and N for poor connection (such as damaged/pulled-out pins, corrosion).
• Are all the pins normal?
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Yes
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Go to the next step.
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No
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If the car-navigation unit side connector is wrong:
Replace the car-navigation unit. (See CAR-NAVIGATION UNIT REMOVAL/INSTALLATION.)
If the wiring harness-side connector is wrong:
Repair or replace the pins and/or the connector.
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7
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• Inspect for continuity between car-navigation unit and the driver-side front door speaker.
• Is there continuity?
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Yes
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Inspect for short circuit in the wiring harness.
If there is a short circuit, repair or replace the suspect wiring harness.
If the wiring harness is OK, then go to the next step.
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No
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Repair or replace the wiring harness.
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8
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• Inspect the driver-side front door speaker. (See FRONT DOOR SPEAKER INSPECTION
• Is it normal?
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Yes
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Replace the car-navigation unit. (See CAR-NAVIGATION UNIT REMOVAL/INSTALLATION.)
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No
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Replace the driver-side front door speaker. (See FRONT DOOR SPEAKER REMOVAL/INSTALLATION.)
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