Toyota T100 1996 Service Manual page 495

DTC P0510
CIRCUIT DESCRIPTION
Refer to Throttle/ Pedal Position Sensor/ Switch "A" Circuit Malfunction on page DI−163.
DTC No.
The closed throttle position switch does not turn ON even once
P0510
when the vehicle is driven (2 trip detection logic)
HINT:
After confirming DTC P0510 use the TOYOTA hand−held tester to confirm the closed throttle position switch
signal from "CURRENT DATA".
Throttle Valve
Fully Closed
Fully Open
WIRING DIAGRAM
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
Closed Throttle Position Switch Malfunction
DTC Detecting Condition
Closed throttle position Switch Signal
− ENGINE (5VZ−FE)
S Open in closed throttle position switch circuit
S Closed throttle position switch
S ECM
OFF
ON
Trouble Area
Malfunction
Open Circuit
Short Circuit
DI−231
DI9AF−01
P19954