Suzuki Liana RH418 Supplementary Service Manual page 289

Troubleshooting
Step
1 Does "O/D OFF" lamp light steady?
2 Check O/D off switch circuit
1) Turn ignition switch OFF and disconnect TCM
connectors.
2) Check resistance between terminal "G07-3" of
disconnected harness side connector and ground with
O/D off switch released.
Is continuity indicated?
3 Check O/D off switch (2) for operation
1) Disconnect O/D off switch coupler (1).
2) Check continuity between switch terminals under each
condition.
O/D off switch specification
O/D off switch under being released (2): No
continuity
O/D off switch under being pressed (3): Continuity
2
Is check result satisfactory?
4 Does not "O/D OFF" lamp light or blink even passing 60
seconds after turning ignition switch ON?
Action
1
3
I3RH0A510014-01
Automatic Transmission/Transaxle:
Yes
Go to Step 2.
Go to Step 3.
"GRN/BLK" circuit
shorted to ground.
Faulty combination
meter or TCM.
Inspect combination
meter referring to "O/D
OFF Indicator Lamp (A/
T Vehicle Only)
Symptom Diagnosis in
Section 9C in related
manual".
If OK, substitute a
know-good TCM and
recheck.
5A-63
No
Go to Step 4.
Faulty combination
meter or TCM.
Inspect combination
meter referring to "O/D
OFF Indicator Lamp (A/
T Vehicle Only)
Symptom Diagnosis in
Section 9C in related
manual".
If OK, substitute a
know-good TCM and
recheck.
Replace O/D off switch.
Go to Step 5.