A82779
DLC3
1314 1516
12
11
10
9
1 2 3 4 5 6 7 8
D32457
05--202
--
DIAGNOSTICS
MULTI--MODE MANUAL TRANSMISSION SYSTEM
COROLLA Supplement (RM1129E)
5.
DLC3 (Data Link Connector 3)
(a)
The transmission control ECU uses the ISO 9141--2
(Euro--OBD) communication protocol. The terminal ar-
rangement of the DLC3 complies with ISO 15031--03 and
matches the ISO 9141--2 format.
HINT:
Connect the cable of the Intelligent Tester II to the DLC3, turn
the ignition switch ON and attempt to use the Intelligent Tester
II. If the screen displays UNABLE TO CONNECT TO VEHICLE,
a problem exists either on the vehicle side or the tester side.
S
If communication is normal when the tool is connected to
another vehicle, inspect the DLC3 on the original vehicle.
S
If communication is still impossible when the tool is con-
nected to another vehicle, the problem is probably in the
tool itself. Consult the Service Department listed in the
tool’s instruction manual.
Symbol
Terminal No.
Name
Reference terminal
Result
Condition
SIL
7
Bus ”+” line
5 -- Signal ground
Pulse generation
During transmission
CG
4
Chassis ground
Body ground
1
Ω
or less
Always
SG
5
Signal ground
Body ground
1
Ω
or less
Always
BAT
16
Battery positive
Body ground
9 to 14 V
Always
6.
CHECK MULTI--MODE MANUAL TRANSMISSION
WARNING LIGHT
(a)
Turn the ignition switch on.
(b)
Check that the warning light illuminates for 5 seconds.
If the warning light does not illuminate, proceed to trouble-
shooting the multi--mode manual transmission warning
light circuit
7.
INSPECT BATTERY
(a)
Measure the voltage of the battery.
Voltage: 11 to 14 V
(b)
Inspect the battery, fuses, fusible links, wiring harness, connectors and ground.
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TOYOTA COROLLA REPAIR MANUAL SUPP 1129E