Closed Throttle Position Switch Malfunction - Toyota T100 1996 Service Manual

DTC P0510
CIRCUIT DESCRIPTION
Refer to DTC P0120 on page DI−39.
DTC No.
Closed throttle position switch does not turn ON even once
P0510 when 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
Refer to DTC P0120 on page DI−39.
INSPECTION PROCEDURE
HINT:
If DTC P0110, P0115 and P0120 are output simultaneously, E2 (sensor ground) may be open.
TOYOTA hand−held tester:
1 Connect TOYOTA hand−held tester and read CTP switch signal.
PREPARATION:
(a) Connect the TOYOTA hand−held tester to the DLC3.
(b) Turn the ignition switch ON and push the TOYOTA hand−held tester main switch ON.
CHECK:
Read CTP switch signal on the TOYOTA hand−held tester.
RESULT:
Throttle Valve
Fully closed
Fully open
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS

Closed Throttle Position Switch Malfunction

DTC Detecting Condition
Closed Throttle Position Switch Signal
Closed Throttle Position Switch Signal
− ENGINE (3RZ−FE)
S Open in closed throttle position switch circuit
S Closed throttle position switch
S ECM
OFF
ON
OFF
ON
Trouble Area
Malfunction
Open circuit
Short circuit
Malfunction
Open circuit: Go to step 2
Short circuit: Go to step 4
DI−97
DI0U0−03