Diagnostic Flow Table A-4: "O/D - Suzuki WagonR+ RB310 Service Manual

Diagnostic Flow Table A-4: "O/D OFF" Lamp Circuit Check ("O/D OFF" Lamp
Does Not Light Anytime)
Wiring Diagram
1. TCM
2. "O/D OFF" lamp
3. To ignition switch
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
Step
1 Check "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?
1
12V
4
BLU/RED
E12-9
[A]
E13
4. O/D off switch
[A]: Terminal arrangement of TCM connector (viewed from harness side)
Action
AUTOMATIC TRANSAXLE (M13 ENGINE MODEL) 7B1-47
2
E12-11 BLU/YEL
E12
11 9
Yes
Poor terminal "E12-11"
connection.
If OK, substitute a known-
good TCM and recheck.
3
No
"BLU/YEL" circuit open or
bulb burned out.