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SEF324V
ECM Terminals and Reference Value
NGEC0565
PREPARATION
NGEC0565S01
1. ECM is located behind the instrument lower cover. For this
inspection:
쐌 Remove instrument lower cover.
AEC913
2. Remove ECM harness protector.
MEC486B
3. Perform all voltage measurements with the connector con-
nected. Extend tester probe as shown to perform tests easily.
쐌 Open harness securing clip to make testing easier.
쐌 Use extreme care not to touch 2 pins at one time.
쐌 Data is for comparison and may not be exact.
ECM HARNESS CONNECTOR TERMINAL LAYOUT
NGEC0565S02
SEF533P
ECM INSPECTION TABLE
NGEC0565S03
Specification data are reference values and are measured between
each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/
output voltage. Doing so may result in damage to the ECM’s
transistor. Use a ground other than the ECM terminals, such
as the ground.
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
VG33E
ECM Terminals and Reference Value
EC-719
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
GI
MA
EM
LC
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