Operation Manual

7-8
THROTTLE POSITION SENSOR SYSTEM
CHECKING THE THROTTLE
POSITION SENSOR INPUT
VOLTAGE
1. Disconnect the throttle position
sensor coupler.
2. Connect the test harness-speed
sensor (3P) "1" as shown.
3. Start the engine.
4. Inspect:
• Throttle position sensor input volt-
age
Out of specification → Replace
the ECU.
Test harness-speed sen-
sor (3P)
YU-03208/90890-03208
Tester (+) lead → Blue lead (wire
harness color)
Tester (-) lead → Black/Blue lead
(wire harness color)
Throttle po-
sition sen-
sor input
voltage
Tester se-
lector posi-
tion
4–6 V DCV-20