AUTOMATIC TRANSAXLE (M13 ENGINE) 7B1-47
Diagnostic Flow Table A-4: “O/D OFF” Lamp Circuit Check (“O/D OFF” Lamp
Does Not Light Anytime)
Wiring Diagram
Circuit Description
“O/D OFF” lamp operation of ON/OFF is controlled by transmission control module (TCM) and combination
meter.
When ignition switch is turned ON with O/D OFF switch OFF and malfunction is not detected, TCM turn “O/D
OFF” lamp ON only for 2 seconds to check bulb and turn it OFF.
Troubleshooting
1. TCM 4. O/D off switch
2. “O/D OFF” lamp [A]: Terminal arrangement of TCM connector (viewed from harness side)
3. To ignition switch
4
BLU/RED
12V
E12-11
E12-9
BLU/YEL
1
E13
11 9
E12
[A]
2
3
Step Action Yes No
1Check “O/D OFF” lamp circuit.
1) Turn ignition switch OFF and disconnect
TCM connectors.
2) Using service wire, connect terminal “E12-
11” of disconnected harness side TCM con-
nector and ground.
3) Turn ignition switch ON.
Does “O/D OFF” lamp light?
Poor terminal “E12-11”
connection.
If OK, substitute a known-
good TCM and recheck.
“BLU/YEL” circuit open or
bulb burned out.
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