D32443
Transmission Control ECU
Wire Harness View:
M9
STA
STRL
D33211
R/B N o.3
ST Relay
Terminal
D33212
Starter W ire H arness Side Connector
Front View:
S3
--
DIAGNOSTICS
MULTI -- MODE MANUAL TRANSMISSION SYSTEM
05 -- 367
COROLLA Supplement (RM1129E)
4 CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL ECU -- BAT -
TERY, BODY G ROUND)
(a) Disconnect the M9 connector of the transmission control
ECU and S3 connector of the starter.
(b) Remove the ST relay.
(c) Measure the resistance according to the value(s) in the
table below.
Standard:
Symbol (Terminal No.)
Condition
Specified v alue
STRL (M9 -- 4) --
STA (M9 -- 6)
Always
Below 1
Ω
STRL (M9 -- 4) --
ST relay terminal 1
Always
Below 1
Ω
STRL (M9 -- 4) --
Body ground
Always
10 k
Ω
or higher
ST relay terminal 2 --
Body ground
Always
Below 1
Ω
ST relay terminal 3 --
S3 -- 1
Always
Below 1
Ω
ST relay terminal 3 --
Body ground
Always
10 k
Ω
or higher
(d) Measure the voltage according to the value(s) in the table
below.
Standard:
Symbol (Terminal No.)
Condition
Specified v alue
ST relay terminal 5 --
Body ground
Always
10 to 14 V
NG
REPAIR
OR
REPLACE
HARNESS
OR
CONNECTOR
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE
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TOYOTA COROLLA REPAIR MANUAL SUPP 1129E