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DIAGNOSTICS
MULTI -- MODE MANUAL TRANSMISSION SYSTEM
COROLLA Supplement (RM1129E)
INSPECTION PROCEDURE
1 READ VALUE ON INTELLIGENT TESTER II
(a) Connect the intelligent tester II to the DLC3.
(b) Turn the ignition switch on.
(c) Select the items ”Clutch Motor Current MMT” and ”Clutch Position (Current)” in the DATA LIST, and
read its value displayed on the tester.
Item
Measurement Item/
Range
Normal Condition
Diagnostic Note
Clutch Motor Current MMT
Clutch motor c urrent
Min.: -- 50 A, Max.: 50 A
Normal value:
0 to 20 A
Clutch clamp position: 0 A
Clutch Position (Current)
Clutch position (current)/
Min.: 0 mm, Max.: 127.998 mm
Normal value:
34.0 mm (1.34 in.) to
44.0 mm (1.73 in.)
Learning value of c lutch c lamp
position i s displayed
OK:
The value on the display is within the normal range.
HINT:
0 A is shown on the display when the clutch actuator assy is not operating.
The value changes when the actuator is operating, although it will only operate momentarily.
There may be a short in the actuator circuit if 1 A or more is shown for several seconds.
Result:
NG (”Clutch Motor Current MMT” is defective)
A
NG (”Clutch Position (Current)” is defective)
B
NG (Both items are defective)
C
OK
D
B
C
D
OPERATION CHECK
HINT:
If the symptom still occurs even after checking the following
parts for dirt, wear, etc. and replacing the defective parts, re-
place the transmission control ECU.
S
Clutch Disc and Clutch Disc Cover
S
Release Bearing
S
Clutch Release Fork
A
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TOYOTA COROLLA REPAIR MANUAL SUPP 1129E