Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 457

ENTERTAINMENT

8C–13

Self-Diagnosis Flow Chart–3 (Display)

826R200022

8C–14 ENTERTAINMENT

Self-Diagnosis Flow Chart–4 (MID)

826R200023

ENTERTAINMENT

8C–15

Audio Self-Diagnosis

Step

Action

Value(s)

Yes

No

1

1. Simultaneously press and hold the RESET key and

the CLOCK key (on the display panel). 

2. Turn the ignition switch to the ON position.

Does DIAG appear on the display screen?

—

Go to 

Step 2

 Check power

supply and

component

connections.

Start

self-diagnosis

again.

2

Press and release the SERVICE key (1 time only).

Does DIAG AUDIO appear on the display?

—

Go to 

Step 3

Go to Step 11

3

Press and release the SERVICE key (1 time only) to
check tape connections.

Does TAPE OK appear on the display?

—

Go to 

Step 4

On NG display,

Go to 

Step 11

4

Press and release the SERVICE key (1 time only) to
check CD changer connections.

Does CD CHG OK appear on the display?

—

Go to 

Step 5

On NG display,

Go to 

Step 11

5

Press and release the SERVICE key (1 time only) to
check communication with A/C unit.

Does A/C DATA OK appear on the display?

—

Go to 

Step 9

On NG display,

Go to 

Step 6

6

Is A/C DATA ERR1(abnormal display data line)
displayed?

—

Refer to 

A/C

self-diagnosis

Go to 

Step 7

7

Is A/C DATA ERR2 (abnormal CLOCK data line)
displayed?

—

Refer to 

A/C

self-diagnosis

Go to 

Step 8

8

Is A/C DATA ER3 (abnormal SW data line) displayed?

—

Go to 

Step 11

—

9

Press and release the SERVICE key (1 time only) to
display the A/C unit error history.

Is the action complete?

—

Go to 

Step 10

—

10

1. Press and release the SERVICE key (1 time only) to

change to the key diagnosis mode.

2. Press and release each key.

NOTE: As a key is pressed, its name should appear on
the display. The A/C LED should blink at 1–second
intervals.

Did the events described in Step 2 occur?

—

Go to 

Step 12

Go to 

Step 11

11

Replace the audio unit.

Is the action complete?

—

Go to 

Step 1

—

12

Press and release the ON/OFF key.

Is the action complete?

—

Go to 

Step 1

Go to 

Step 13

13

Press and release the SERVICE key (1 time only).

Is the action complete?

—

Go to 

Step 3

—

8C–16 ENTERTAINMENT

Display Self-Diagnosis

Step

Action

Value(s)

Yes

No

1

1. Simultaneously press and hold the RESET key and

the CLOCK key (on the display panel). 

2. Turn the ignition switch to the ON position.

Does DIAG appear on the display screen?

—

Go to 

Step 2

 Check power

supply and

component

connections.

Start

self-diagnosis

again.

2

Press and release the RESET key (1 time only).

Does DIAG DISP appear on the display?

—

Go to 

Step 3

Go to 

Step 10

3

Press and release the RESET key (1 time only) to start
audio communications diagnosis.

Does AUD DAT OK appear on the display?

—

Go to 

Step 5

On NG display,

Go to 

Step 4

4

Replace the audio unit.

Is the action complete?

—

Go to 

Step 1

—

5

1. Press and release the RESET key (1 time only). 
2. Confirm that the trouble history is displayed on the

screen.

Is the trouble history displayed?

—

Go to 

Step 6

—

6

Press and release the RESET key (1 time only) to start
MID communications diagnosis.

Does MID DATA OK appear on the display?

—

Go to 

Step 8

On NG display,

Go to 

Step 7

7

Replace the MID unit.

Is the action complete?

—

Go to 

Step 1

—

8

1. Press and release the RESET key (1 time only) to

display MID communications error history.

2. Confirm that the error history is displayed on the

screen.

Is the error history displayed?

—

Go to 

Step 9

—

9

Press and release the RESET key (1 time only) to open
all segments.

Do all segments light?

—

Go to 

Step 11

Go to 

Step 10

10

Replace the display unit.

Is the action complete?

—

Go to 

Step 1

—

11

Press and release the ON/OFF key to complete display
self-diagnosis.

Is the action complete?

—

Go to 

Step 1

Go to 

Step 12

12

Press and release the SERVICE key.

Is the action complete?

—

Go to 

Step 3

—