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G34822
F19
Wire Harness Side:
Front View
Fuel Pressure Sensor Connector
G34806
E23
ECM C onnector
VPC
PC
EPC
--
DIAGNOSTICS
ECD SYSTEM (1ND -- TV)
05 -- 137
COROLLA Supplement (RM1129E)
NG REPLACE COMMON RAIL ASSY (FUEL PRES -
OK
3 CHECK HARNESS AND CONNECTOR(FUEL PRESSURE SENSOR -- ECM)
(a) Disconnect the F19 fuel pressure sensor connector.
(b) Disconnect the E23 ECM connector.
(c) Check the resistance.
Standard (Check for open):
Tester Connection
Specified Condition
PC (E23 -- 37) -- (F19 -- 2)
Below 1
Ω
VPC (E23 -- 26) -- (F19 -- 3)
Below 1
Ω
EPC (E23 -- 16) -- (F19 -- 1)
Below 1
Ω
Standard (Check for short):
Tester Connection
Specified Condition
PC (E23 -- 37) or (F19 -- 2) -- Body ground
10 k
Ω
or higher
VPC (E23 -- 26) or (F19 -- 3) -- Body ground
10 k
Ω
or higher
EPC (E23 -- 16) or (F19 -- 1) -- Body ground
10 k
Ω
or higher
(d) Reconnect the ECM c onnector.
(e) Reconnect the fuel pressure sensor connector.
NG
REPAIR
OR
REPLACE
HARNESS
OR
CONNECTOR
OK
4 I NSPECT M ANIFOLD ABSOLUTE PRESSURE SENSOR
OK: The manifold absolute pressure sensor resistance is within the standard range.
NG
REPLACE MANIFOLD ABSOLUTE PRESSURE
SENSOR
OK
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TOYOTA COROLLA REPAIR MANUAL SUPP 1129E