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A84814
Component Side:
Accelerator Pedal Position Sensor
1
2
5
6
4
3
A84847
EP1 EP2
VPA2
VCP1
VPA1 VCP2
A21
Wire Harness Side:
Front View
Accelerator Pedal Position Sensor
Connector
G34805
ECM C onnector
E24
VPA1
VPA2
VVPA2
VVPA1
EVPA1
EVPA2
05 -- 130
--
DIAGNOSTICS
ECD SYSTEM (1ND -- TV)
COROLLA Supplement (RM1129E)
4 I NSPECT ACCELERATO R PEDAL ASSY(ACCELERATO R PEDAL POSITION
SENSOR)
(a) Disconnect the A21 accelerator pedal position s ensor
connector.
(b) Measure the resistance between each pair of terminals.
Standard :
Tester Connection
Specified Condition
EP1 (1) -- V CP1 (4)
1.5 k
Ω
to 6.0 k
Ω
at 20
_
C (68
_
F)
EP2 (3) -- V CP2 (6)
1.5 k
Ω
to 6.0 k
Ω
at 20
_
C (68
_
F)
(c) Reconnect the accelerator pedal position s ensor connec -
tor.
NG REPLACE ACCELERATOR PEDAL ASSY
OK
5 CHECK HARNESS AND CONNECTOR(ACCELERATO R PEDAL POSITION
SENSOR -- ECM)
(a) Disconnect the A21 accelerator pedal position s ensor
connector.
(b) Disconnect the E24 ECM connector.
(c) Check the resistance.
Standard (Check for open):
Tester Connection
Specified Condition
VPA1 (A21 -- 5) -- VPA1 (E24 -- 15)
Below 1
Ω
EP1 (A21 -- 1) -- EVPA1 (E24 -- 54)
Below 1
Ω
VCP1 (A21 -- 4) -- VVPA1 (E24 -- 34)
Below 1
Ω
VPA2 (A21 -- 2) -- VPA2 (E24 -- 14)
Below 1
Ω
EP2 (A21 -- 3) -- EVPA2 (E24 -- 53)
Below 1
Ω
VCP2 (A21 -- 6) -- VVPA2 (E24 -- 33)
Below 1
Ω
Standard (Check for short):
Tester Connection
Specified Condition
VPA1 (A21 -- 5) or VPA1 (E24 -- 15) -- Body ground
10 k
Ω
or higher
EP1 (A21 -- 1) or EVPA1 (E24 -- 54) -- Body ground
10 k
Ω
or higher
VCP1 (A21 -- 4) or VVPA1 (E24 -- 34) -- Body ground
10 k
Ω
or higher
VPA2 (A21 -- 2) or VPA2 (E24 -- 14) -- Body ground
10 k
Ω
or higher
EP2 (A21 -- 3) or EVPA2 (E24 -- 53) -- Body ground
10 k
Ω
or higher
VCP2 (A21 -- 6) or VVPA2 (E24 -- 33) -- Body ground
10 k
Ω
or higher
(d)
Reconnect the accelerator pedal position sensor connec-
tor.
(e)
Reconnect the ECM connector.
NG
REPAIR
OR
REPLACE
HARNESS
OR
CONNECTOR
OK
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TOYOTA COROLLA REPAIR MANUAL SUPP 1129E