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G34770
2
1
6
5
ECM
R--W (*1)
B
A
J4
J/C
B
J/C
R--W (*1)
W--B (*1)
B--Y (*2)
LG--B (*2)
B--Y (*2)
W--B
LG--B (*2)
CLSW
E24
IL1
69
IL1
ID1
J12
J12
4
II
ED
C20
Clutch Switch
*1: LHD
*2: RHD
--
DIAGNOSTICS
ECD SYSTEM (1ND--TV)
05--139
COROLLA Supplement (RM1129E)
DTC
P0704
CLUTCH SWITCH INPUT CIRCUIT
MALFUNCTION (Only M/T vehicle)
CIRCUIT DESCRIPTION
The clutch switch is mounted on the clutch pedal. The switch is turned ON when depressing the clutch pedal,
and transmits a signal to the ECM.
DTC No.
DTC Detection Condition
Trouble Area
P0704
No clutch switch signals to ECM despite gears being shifted
(The MIL is illuminated and a DTC is set when the same mal-
function is detected on 2 consecutive trips*
*: One trip is counted when the ignition switch is turned from
OFF to ON and back to OFF)
S
Open or short in clutch switch circuit
S
Clutch switch circuit
S
ECM
HINT:
DTC P0704 is set when the gears are shifted more than 10 times.
WIRING DIAGRAM
INSPECTION PROCEDURE
1
READ VALUE USING INTELLIGENT TESTER II(CLUTCH UPPER SWITCH)
(a)
Connect an intelligent tester ll to the DLC3.
(b)
Turn the ignition switch to ON and turn the intelligent tester ll ON.
(c)
Select the following menu items: Powertrain / Engine and ECT / Data List / Clutch Upper Switch.
(d)
Read the value.
OK:
Clutch Pedal Operation
Specified Condition
Depressed
ON
Released
OFF
05MS6--01
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TOYOTA COROLLA REPAIR MANUAL SUPP 1129E