Toyota Camry Manual page 180

Check indicator lights on combination meter other than O/D OFF
indicator light.
Check O/D main switch operation.
Check harness and connector between combination meter and ECM.
Replace ECM.
AUTOMATIC TRANSAXLE –
Turn IG switch ON.
Check the following indicator lights on combination
meter:
(1) Turn ignition switch ON.
(2) Check–O/D OFF" light when O/D main switch
(3) Start the engine.
"O/D OFF" light goes off.
(3) Check "O/D OFF" light when O/D main switch is pushed
"O/D OFF" light lights up.
If the–O/D OFF" light blinks when the O/D main
switch is pushed in to ON, a malfunction is occur–
ing in the system.
Check the diagnostic trouble code.
Check and repair harness between O/D main
switch and combination meter.
TROUBLESHOOTING
Check Engine Light
Low Oil Pressure Warning Light
ABS Warning Light etc.
Above indicator lights light up.
Check and repair power source circuit to
combination meter, or combination meter.
is pushed in to ON.
again, to OFF.
Repair or replace harness or connector.
AX1–107