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DIAGNOSTICS
MULTI--MODE MANUAL TRANSMISSION SYSTEM
05--349
COROLLA Supplement (RM1129E)
MULTI--MODE MANUAL TRANSMISSION WARNING LIGHT
CIRCUIT
CIRCUIT DESCRIPTION
S
DTCs can be read from the multi--mode manual transmission warning light on the combination meter
by shorting terminals TC and CG of the DLC3
S
Power is constantly applied to the INDC terminal circuit. When the INDC circuit is open, the combina-
tion meter detects a malfunction and the multi--mode manual transmission warning light comes on. The
INDC circuit is used to send the multi--mode manual transmission warning light signal when the ignition
switch is off.
S
Power is supplied to the INDA circuit when the ignition switch is turned on. The combination meter de-
tects a malfunction when the ignition switch is on and the multi--mode manual transmission warning
light comes on. The INDA circuit is used to send the multi--mode manual transmission warning light
signal or shift position indicator signal when the ignition switch is on.
S
The combination meter detects the state of the multi--mode manual transmission system according
to information from the INDC and INDA circuits, and illuminates the warning light or sounds the buzzer
inside the meter.
The contents of signals from the INDC and INDA circuits, and the states of the multi--mode manual transmis-
sion warning light and buzzer are shown in the table below.
When ignition switch is ON:
INDA circuit state
When signal is normal.
When inconsistent signal is received for
3 sec. or more.
When communication interruption signal
is received for 3 sec. or more.
INDC circuit state
Normal
+B short or open
Normal
+B short or open
Normal
+B short or open
LCD
indication (*1)
ON by signal
ON by signal
OFF
OFF
OFF
OFF
LCD
back light (*2)
ON
ON
ON
ON
ON
ON
Multi--mode
manual
transmission
warning light
ON by signal
ON by signal
ON
ON
ON
ON
Buzzer (Built in
combination
meter) (*3)
ON
ON
ON
ON
ON
ON
*1: When the LCD indication is on, the number or letter of the shift position indicator light comes on.
*2: When the LCD back light is on, the number or letter of the shift position indicator light blinks.
*3: The buzzer sounds when the following conditions are met in addition to those above.
S
The shift lever is in any position except N.
S
The driver’s door is open.
S
Vehicle speed is 10 km/h or less.
S
Engine speed is 400 rpm or more.
05L4W--02
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TOYOTA COROLLA REPAIR MANUAL SUPP 1129E