#
DIAGNOSTIC ASSIST FUNCTION

BME090266900W26

## Structural View

Switch location

.

1 | FM1/2 button
2 | AM button
3 | CD button
4 | MD/TAPE button
5 | CLOCK button
6 | SEEK button (upper) (with RDS)
7 | SEEK button (lower) (with RDS)
8 | SCAN button (without RDS)
9 | AUTO-M button (without RDS)
10 | POWER button (with RDS)
AUDIO CONT button (without RDS)
11 | Preset button "1"
12 | Preset button "2"
13 | Preset button "3"
14 | Preset button "4"
15 | Preset button "5"
16 | Preset button "6"
17 | AUDIO CONT button (with RDS)
POWER button (without RDS)
18 | TA button (with RDS)
19 | PTY button (with RDS)
20 | SEEK button (upper) (without RDS)
21 | SEEK button (lower) (without RDS)
22 | AUTO-M button (with RDS)
23 | AF button (without RDS)

## LCD inspection

1. With audio on, first press the POWER button, then simultaneously press the SEEK button (upper) for approximately 1 second.

2. Inspect the LCD according to the following table:

Inspection | Display | Action
--- | --- | ---
Start LCD inspection mode. |  | Characters displayed in LCD are not truncated or faint. | LCD is okay.
Other than above. | Replace 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 audio on, first press the POWER button, then simultaneously press the CLOCK button for approximately 1 second.

2. Inspect the button according to the following table:

Inspection | Display | Action
--- | --- | ---
• Start button inspection mode. • Press the all buttons. | - | Buzzer sounds. | Button is okay.
Buzzer does not sound. | Replace 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 audio on, first press the POWER button, then simultaneously press the PTY button (with RDS) or AUTO-M button (without RDS) for approximately 1 second.

2. Inspect the speaker according to the following table:

Inspection | Display | Action
--- | --- | ---
• Start speaker inspection mode. • Does each speaker output sound in the following order?

  1. Left front door speaker and front tweeter
  2. Right front door speaker and front tweeter
  3. Right rear speaker and rear tweeter
  4. Left rear speaker and rear tweeter

-
Yes
Speakers and wiring harness between base unit and speakers are okay.
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 audio on and at radio mode, first press the POWER button, then simultaneously press the preset button "2" for approximately 1 second.

2. Inspect the radio reception condition according to the following table:

Inspection | Display | Action
--- | --- | ---
Start radio reception condition inspection mode. |  | Antenna, antenna feeder, and base unit are okay.
| Change frequency (channel) and inspect again.
| Inspect antenna and antenna feeder. • If either one of them is not okay, replace malfunctioning part. • If both are okay, replace base unit.

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