Suzuki GRAND VITARA XL-7 Owner's Manual page 431

7B1-22 AUTOMATIC TRANSMISSION (4 A/T)
Table B-1 : "O/D OFF" Light Circuit Check ("O/D OFF" Light Doesn't Light at
Ignition Switch ON But Engine Starts Up)
WIRING DIAGRAM
1. PCM
2. Fuse
3. O/D off switch
TROUBLESHOOTING
Step
1 "O/D OFF" light circuit check:
1) With ignition switch OFF, disconnect cou-
plers from PCM.
2) Using service wire, connect E61-20 termi-
nal of disconnected PCM coupler and
ground.
Does "O/D OFF" light turn ON at ignition switch
ON?
4. P/N change switch
5. J/C
6. J/C
Action Yes
Poor E61-20 terminal con-
nection.
If OK, substitute a know-
good PCM and recheck.
No
Bulb burned out or faulty
"WHT/BLK", "BLK/WHT"
wire.