O/D - Suzuki Grand Vitara XL-7 Service Manual

7B1-34 AUTOMATIC TRANSMISSION (4 A / T)
TABLE B-1: "O/D OFF" LAMP CIRCUIT CHECK ("O/D OFF" LAMP DOESN'T
LIGHT AT IGNITION SWITCH ON)
WIRING DIAGRAM
TROUBLESHOOTING
Step
1 "O/D OFF" lamp circuit check:
1) With ignition switch OFF, disconnect
couplers from TCM.
2) Using service wire, connect E202-10
terminal of disconnected TCM harness side
connector and ground.
Does "O/D OFF" light turn ON at ignition switch
ON?
Action
1. "O / D OFF" lamp
2. TCM
3. O / D off switch
4. To ignition
5. Terminal arrangement of TCM connector
Yes
Poor E202-10 terminal
connection.
If OK, substitute a
know-good TCM and
recheck.
(viewed from harness side)
No
Bulb burned out or faulty
"WHT /BLK" or
"BLK/WHT" wire.