Workshop Manual

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 —