BE1UV±01
I17103
Audio system normal operation
to 2. SYSTEM CHECK MODE SCREEN
to 4. DISPLAY
CHECK MODE SCREEN Diagnosis start±up. (refer to next page)
HINT:
When Diagnosis Sys-
tem mode is started,
system check is per-
formed at first and the
check result is dis-
played.
± BODY ELECTRICALAUDIO SYSTEM
BE±97
2001 PRIUS (RM778U)
TROUBLESHOOTING
1. DIAGNOSIS SYSTEM MODE (w/o Navigation system)
HINT:
Diagnosis System Mode is operated as follows.
In case of a vehicle without navigation system, there is no navigation check mode. However, other modes
except for this are same as a vehicle with navigation system.
I15593
I17110
Concealed
touch
switch
BE±98
± BODY ELECTRICALAUDIO SYSTEM
2001 PRIUS (RM778U)
(a) DIAGNOSIS START±UP
To start the diagnosis menu, there are 2 ways: using a
diagnosis check wire and using a switch.
(b) START±UP BY SWITCH OPERATION
(1) Vehicle speed is 0 km/h (0 mph).
(2) Parking brake switch is pressed.
(3) Press the Display switch to display the Screen Ad-
justment screen.
(4) Repeatedly touch the upper and lower bottom parts
of the left end of the screen 3 times.
(c) FINISHING DIAGNOSIS SYSTEM MODE
Turn the ignition switch from ACC to OFF to finish the
mode. If it is started by switch operation.
2. DIAGNOSIS SYSTEM MODE (w/ Navigation system)
(See page DI±789)
