DIAGNOSTIC ASSIST FUNCTION


BHE090266900W26

Structural View

BUTTONS

1
Hazard warning switch
2
SET button
3
CLK button
4
FM1/2 button
5
AM button
6
CD button
7
TAPE/MD button
8
DISP button
9
AMB button
10
LOAD button
11
EJECT button
12
SEEK UP button
13
SEEK DOWN button
14
Preset button "1"
15
Preset button "2"
16
Preset button "3"
17
POWER/VOLUME button
18
Preset button "4"
19
Preset button "5"
20
Preset button "6"
21
SCAN (upper) button (without RDS)
22
SCAN (lower) button (without RDS)
23
TUNE AUTO-M button
24
TEXT AUDIO CONT button
25
TA button (with RDS)
26
PTY button (with RDS)
27
AF button (with RDS)

LCD Inspection

1. With the audio power on, press the POWER button and simultaneously press the SEEK button (upper) for approx. 1 s.

2. Inspect according to the following table:

INSPECTION

DISPLAY

ACTION

Start the LCD inspection mode.

The characters displayed on the LCD are not truncated or faint.
The LCD is normal.
Except above
Replace the base unit.

3. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.

Button Inspection

1. With the audio power on, press the POWER button and simultaneously press the CLOCK button for approx. 1 s.

2. Inspect according to the following table:

INSPECTION

DISPLAY

ACTION

• Start the button inspection mode.
• Press all buttons.
-
The buzzer sounds.
The button is normal.
The buzzer does not sound.
Replace the base unit.

3. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.

Speaker Inspection

1. With the audio power on, press the POWER button and simultaneously press the AUTO-M button for approx. 1 s.

2. Inspect according to the following table:

INSPECTION

DISPLAY

ACTION

• Start the speaker inspection mode.
• Does each speaker output sound in the following order?
1. Front passenger-side door speaker and tweeter
2. Front driver-side door speaker and tweeter
3. Driver-side rear speaker
4. Passenger-side rear speaker
-
Yes
Speakers, and wiring harness between the base unit and speakers are normal
No
• Inspect the following parts.
– Malfunctioning speaker
– Wiring harness between base unit and malfunctioning speaker

3. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.

Radio Reception Condition Inspection

1. With the audio power on, press the POWER button and simultaneously press the PRESET 2 button for approx. 1 s.

2. Inspect according to the following table:

Caution
• Even if the system is normal, radio reception may be difficult depending on where the system is inspected (indoors/outdoors, or conditions at the location).Before inspecting the system, verify that radio reception is adequate.
• When inspecting, select a frequency band (radio station) with the best reception.

INSPECTION

DISPLAY

ACTION

Start the radio reception condition inspection mode.

Antenna, antenna feeder and base unit are normal

Change the frequency (radio station) and inspect again.

Inspect the antenna and antenna feeder.
• If either the antenna or the antenna feeder is not normal, replace the malfunctioning part.
• If the antenna and antenna feeder are normal, replace the base unit.

3. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.