TROUBLESHOOTING
M-12
M-12 (a) When starting switch is turned ON (engine stopped), buzzer
does not sound for 1 second, CAUTION items are flashing but
buzzer does not sound
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*
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Before carrying out troubleshooting, check that all the related connectors are properly inserted.
Always connect any disconnected connectors before going on to the next step.
Of the CAUTION items, the buzzer will not sound even if there is an abnormality in the battery charge or fuel
level.
1YES
When PO1 (female)
(13) and chassis
are connected,
fioe; yzer
l Tz;c;;arng
NO
Defective monitor panel
Disconnection in wiring
harness between PO1
(female) (13) - PO4 (2) -
buzzer, or between t24V -
PO4 (1) -buzzer t, or
defective buzzer
Replace
Repair or
replace
M-12 (b) No abnormality is displayed on monitor but buzzer sounds
1YEZ.S
When PO1 is
removed, does
buzzer sound?
l Remove POl.
l TJ-yct$g
NO
M-12 Related electric circuit diagram
Cause
I
Remedy
Contact of chassis ground
with wiring harness between
PO1 (female) (13) and buzzer
Defective monitor panel
PO1
POU(M2)
X08DD174
Repair or
replace
Replace
20-257
0
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