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DIAGNOSTICS
MULTI--MODE MANUAL TRANSMISSION SYSTEM
05--213
COROLLA Supplement (RM1129E)
2.
ACTIVE TEST
HINT:
Perform the ACTIVE TEST using the intelligent tester II to operate the relays, VSV, actuator and so on with-
out removing any parts. Performing the ACTIVE TEST as the first step of troubleshooting is one of the meth-
ods to shorten labor time. It is possible to display the DATA LIST during the ACTIVE TEST.
(a)
Warm up the engine.
(b)
Turn the ignition switch off.
(c)
Connect the intelligent tester II to the DLC3.
(d)
Turn the ignition switch on.
(e)
Following the display on the tester, perform the ”ACTIVE TEST”.
Item
Test Details/Vehicle Condition
Diagnostic Note
Target Gear
Position Control
[Test Details]
Target gear position control (Gear position)
N, 1st, 2nd, 3rd, 4th, 5th, R
[Vehicle Condition]
Ignition switch ON, Engine stopped, Vehicle stopped, Shift
lever ”N” position
When the shift and select actuator assy does not move to the
gear indicated, there could be some malfunctions in the follow-
ing parts.
S
Shift stroke sensor
S
Select stroke sensor
S
Shift and select actuator assy (Shift motor, Select motor)
S
AMT Relay (Shift motor and select motor main relay)
S
Transmission
S
Transmission control ECU
S
Poor attachment of shift and select actuator assy
Target Clutch
Control
[Test Details]
Target clutch control
Standby position: Standby (*1)
Clutch position: Clamp (*1)
[Vehicle Condition]
Ignition switch ON, Engine stopped, Vehicle stopped, Shift
lever ”N” position
When the clutch actuator assy does not move to the position
indicated, there could be some malfunctions in the following
parts.
S
Clutch stroke sensor
S
Clutch actuator assy (Clutch motor)
S
AMT Relay (Clutch motor main relay)
S
Clutch release bearing
S
Clutch release fork
S
Transmission control ECU
S
Poor attachment of clutch actuator assy
*1: For details of the standby position and clutch clamp position,
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TOYOTA COROLLA REPAIR MANUAL SUPP 1129E