Toyota T100 1996 Service Manual page 496

DI−232
INSPECTION PROCEDURE
HINT:
If DTC "P0110" (intake air temp. circuit malfunction), "P0115" (engine coolant temp. circuit malfunction) and
"P0120" (throttle/pedal position sensor/ switch "A" circuit malfunction) are output simultaneously, E2 (sensor
ground) may be open.
TOYOTA hand−held tester:
1 Check for open in harness or ECM.
NG
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS − ENGINE (5VZ−FE)
PREPARATION:
(a) Connect the TOYOTA hand−held tester to the DLC3.
(b) Disconnect the throttle position sensor connector.
(c) Connect sensor wire harness terminals between termi-
nals 3 and 4.
(d) Turn ignition switch ON.
CHECK:
Read CTP switch signal on the TOYOTA hand−held tester.
OK:
A16045
CTP switch signal: ON
OK Confirm good connection at sensor. If OK, re-
place throttle position sensor.