![Toyota 2003 COROLLA Repair Manual Supplement Download Page 245](http://html.mh-extra.com/html/toyota/2003-corolla/2003-corolla_repair-manual-supplement_1141625245.webp)
A84847
EP1
EP2
VPA2
VCP1
VPA1 VCP2
A21
Wire Harness Side:
Front View
Accelerator Pedal Position Sensor
Connector
G34805
ECM Connector
E24
VPA1
VPA2
VVPA2
VVPA1
EVPA1
EVPA2
05--144
--
DIAGNOSTICS
ECD SYSTEM (1ND--TV)
COROLLA Supplement (RM1129E)
3
CHECK HARNESS AND CONNECTOR(ACCELERATOR PEDAL POSITION
SENSOR -- ECM)
(a)
Disconnect the A21 accelerator pedal position sensor
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
To Alphabetical Index
To Sub Index
TOYOTA COROLLA REPAIR MANUAL SUPP 1129E