Air Induction System; Throttle Body (4A-Fe - Toyota 4A-FE Repair Manual

Fl-122
2WD (w/ EGR SYSiEM)
EFI SYSTEM - Air Induction System
Throttle
Position
Sensor
R
Throttle Body (4A-FE)
Power Point
Throttle Position
Sensor
Idle Point
ON-VEHICLE CHECK
1. CHECK THROTTLE BODY
Idle Point
Power
Point
Fl3800 F16040 F10451
FtQ462
(a) Check that the throttle linkage moves smoothly.
(b) Check the vacuum at each port.
• Start and warm up the engine.
• Check the vacuum with your finger.
Port Throttle Valve Opening
p•
1 Positioned more than P port.
E"2
Positioned more than E port.
R.2
Positioned more than R port.
• 1: With fuel evaporative emission control system
• 2: With exhaust gas recirculation system