NO.6 NO VOICE NAVIGATION [CAR-NAVIGATION SYSTEM (INTEGRATED MULTI INFORMATION DISPLAY)]

id0903h3910500

6

No voice navigation

POSSIBLE CAUSE

•  Improper adjustment of the navigation guidance volume

•  Multi information display malfunction

•  Poor connection of front door speaker connector, terminal damage

•  Front door speaker malfunction

•  Poor connection of multi information display connector, terminal damage

•  Open or short circuit in wiring harness between multi information display and front door speaker through audio unit

•  Poor connection of audio unit connector, terminal damage

6	No voice navigation
POSSIBLE CAUSE	• Improper adjustment of the navigation guidance volume • Multi information display malfunction • Poor connection of front door speaker connector, terminal damage • Front door speaker malfunction • Poor connection of multi information display connector, terminal damage • Open or short circuit in wiring harness between multi information display and front door speaker through audio unit • Poor connection of audio unit connector, terminal damage

Diagnostic procedure

STEP	INSPECTION		ACTION
1	• Is the voice navigation mute?	Yes	Go to the next step.
1	• Is the voice navigation mute?	No	Adjust the navigation guidance volume by navigation set-up. (Refer to navigation system owner’s manual.)
2	• Turn the audio power switch (CD, radio) to ON. • Does the front speaker work?	Yes	Go to Step 6.
2		No	Go to the next step.
3	• Switch the ignition to off. • Remove the front door speaker. (See FRONT DOOR SPEAKER REMOVAL/INSTALLATION.) • Is front door speaker securely connected?	Yes	Go to the next step.
3		No	Securely connect the front door speaker connector.
4	• Disconnect the front door speaker connector (4-pin). • Inspect both the front door speaker and wiring harness-side connector for poor connection (such as damaged/pulled out pins, corrosion). • Are all the pins normal?	Yes	Go to the next step.
4		No	If the front door speaker connector is wrong: • Replace the 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.
5	• Inspect the front door speaker. (See FRONT DOOR SPEAKER INSPECTION.) • Is it normal?	Yes	Go to the next step.
5		No	Replace the front door speaker. (See FRONT DOOR SPEAKER REMOVAL/INSTALLATION.)
6	• Inspect the connection of multi information display connector (24-pin). • Is the connector securely connected?	Yes	Go to the next step.
6		No	Securely connect the multi information display connector.
7	• Disconnect the multi information display connector (24-pin). • Inspect both the multi information display and wiring harness-side connector for poor connection (such as damaged/pulled out pins, corrosion). • Are all pins normal?	Yes	Go to the next step.
7		No	If the multi information display connector is wrong: • Replace the multi information display. (See MULTI INFORMATION DISPLAY REMOVAL/INSTALLATION.) If the wiring harness-side connector is wrong: • Repair or replace the pins and/or the connector.
8	• Inspect the continuity between the following terminals: ― Multi information display terminal 1I (Voice guidance +)—audio unit terminal 2O ― Multi information display terminal 1J (Voice guidance -)—audio unit terminal 2P • Is there continuity?	Yes	Go to the next step.
8		No	• Repair or replace the related wiring harness between the audio unit and the multi information display. • Then go to the next step.
9	• Inspect the connection of the audio unit connector. • Is the connector connected securely?	Yes	Replace the multi information display. (See MULTI INFORMATION DISPLAY REMOVAL/INSTALLATION.)
9		No	Securely connect the audio a unit.