Toyota Celica 2005 Repair Manual page 802

2 Check for open and short in harness and connector in VCPA, VCP2, VPA, VPA2
EPA and EPA2 circuit between ECM and accelerator pedal position sensor
(See page IN−30)
OK
3 Check voltage between terminals VCPA and EPA, and VCP2 and EPA2 of ECM
terminals.
Accelerator Pedal
Position Sensor
Connector
EPA (−)
EPA2 (−)
A19521
OK
4 Replace accelerator pedal assembly (See page SF−76).
Go
2005 CELICA (RM1131U)
DIAGNOSTICS
NG
CHECK:
(a) Remove the ECM cover.
(b) Turn the ignition switch ON.
(c) Disconnect the accelerator pedal position sensor con-
nector.
CHECK:
Measure the voltage between terminals VCPA and EPA, and
VCP2 and EPA2 of the ECM connector.
OK:
Voltage: 4.5 to 5.5 V
VCPA (+)
VCP2 (+)
NG
A19757
801
− ENGINE (2ZZ−GE)
Repair or replace harness and connector.
Replace ECM (See page SF−78).
DI−603