Engine General Information and Diagnosis: 1A-63
C22 (Use of mode select switch)
Step Action Yes No
1 1) Turn the ignition switch OFF.
2) Remove the front seat. Refer to “Exterior Parts Removal
and Installation in Section 9D (Page 9D-11)”.
3) Check the AP sensor coupler (1) for loose or poor
contacts.
If OK, then measure the AP sensor input voltage.
4) Disconnect the AP sensor coupler.
5) Turn the ignition switch ON.
6) Measure the input voltage between the R wire and
ground.
If OK, then measure the voltage between the R wire and
B/Br wire.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Voltage ( )
AP sensor input voltage
4.5 – 5.5 V
((+) terminal: R – (–) terminal: Ground, (+) terminal: R
– (–) terminal: B/Br)
Is the voltage OK?
Go to Step 3. • Loose or poor
contacts on the ECM
coupler.
• Open or short circuit
in the R or B/Br wire.
1
I837H1110041-01
(A)
V
I823H1110016-05
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