C23 (Use of mode select switch)
Step
1
1) Turn the ignition switch OFF.
2) Remove the TO sensor. Refer to "TO Sensor Removal
and Installation in Section 1C (Page 1C-5)".
3) Check the TO sensor coupler (1) for loose or poor
contacts.
If OK, then measure the TO sensor resistance.
4) Measure the resistance between terminal "A" and
terminal "B".
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Resistance (Ω)
TO sensor resistance
16.5 – 22.3 kΩ
(Terminal "A" – Terminal "B")
Is the resistance OK?
Action
1
(A)
"B"
"A"
Engine General Information and Diagnosis:
Yes
Go to Step 2.
I940H1110041-01
I940H1110042-01
1A-52
No
Replace the TO sensor
with a new one. Refer to
"TO Sensor Removal
and Installation in
Section 1C (Page 1C-
5)".