G34823
Wire Harness Side:
Front View
Injector Connector
I5
I6
I7
I8
G34806
E23
ECM C onnector
#10
PINJ 3
PINJ 2
PINJ 1
PINJ 4
#20
#30
#40
05 -- 90
--
DIAGNOSTICS
ECD SYSTEM (1ND -- TV)
COROLLA Supplement (RM1129E)
3 CHECK HARNESS AND CONNECTOR(ECM -- INJECTOR ASSY)
(a) Disconnect the I5, I6, I7 and/or I8 injector connector.
(b) Disconnect the E23 ECM connector.
(c) Check the resistance.
Standard (Check for open):
Tester Connection
Specified Condition
#10 (E23 -- 21) -- (I5 -- 2)
Below 1
Ω
#20 (E23 -- 30) -- (I6 -- 2)
Below 1
Ω
#30 (E23 -- 31) -- (I7 -- 2)
Below 1
Ω
#40 (E23 -- 32) -- (I8 -- 2)
Below 1
Ω
PINJ1 (E23 -- 1) -- (I5 -- 1)
Below 1
Ω
PINJ2 (E23 -- 2) -- (I6 -- 1)
Below 1
Ω
PINJ3 (E23 -- 3) -- (I7 -- 1)
Below 1
Ω
PINJ4 (E23 -- 20) -- (I8 -- 1)
Below 1
Ω
Standard (Check for short):
Tester Connection
Specified Condition
#10 (E23or21) or (I5 -- 2) -- B ody ground
10 k
Ω
or higher
#20 (E23 -- 30) or (I6 -- 2) -- B ody ground
10 k
Ω
or higher
#30 (E23 -- 31) or (I7 -- 2) -- B ody ground
10 k
Ω
or higher
#40 (E23 -- 32) or (I8 -- 2) -- B ody ground
10 k
Ω
or higher
PINJ1 (E23 -- 1) or (I5 -- 1) -- Body ground
10 k
Ω
or higher
PINJ2 (E23 -- 2) or (I6 -- 1) -- Body ground
10 k
Ω
or higher
PINJ3 (E23 -- 3) or (I7 -- 1) -- Body ground
10 k
Ω
or higher
PINJ4 (E23--20) or (I8--1) -- Body ground
10 k
Ω
or higher
(d)
Reconnect the injector connector.
(e)
Reconnect the ECM connector.
NG
REPAIR
OR
REPLACE
HARNESS
OR
CONNECTOR
OK
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TOYOTA COROLLA REPAIR MANUAL SUPP 1129E