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PGM - FI
SYSTEM
MIL CIRCUIT TROUBLESHOOTING
NOTE
:
If the PCM is replaced , perform the Clutch Initialize Learning Procedure ( page 12
-
81 ) ( CTX 700 D / ND )
.
Check that the MIL comes on for 2 seconds and goes
off when the ignition switch is turned ON and engine
stop switch
"
o
"
.
If the MIL does not come on at all
,
inspect the
combination meter
(
page 22
-
7 ) .
CTX
700
/ A / N / NA :
If the MIL [ 1 ] and engine oil pressure indicator [ 2 ] are
stay on , and the tachometer
,
high coolant temperature
indicator
do
not
come on
,
inspect the
serial
communication line ( page 22
-
8 )
.
CTX 700 D / ND
:
If the MIL [ 1 ] and engine oil pressure indicator [ 2 ] stay
on
,
the
shift
indicator
[ 3 ] is blinking
,
and the
tachometer
,
high coolant temperature
indicator
do
not
come
on ,
inspect the serial communication line
( page 22
-
8 )
.
If the MIL
stays
on
, check as follows :
Turn the ignition switch OFF .
Disconnect the following :
-
ECM 33 P ( Black ) connector ( page 4
-
34 )
( CTX 700 / A / N / NA )
-
PCM
33
P (Gray) connector (
page 4
-
34 )
( CTX 700 D / ND )
Check for continuity between the ECM/PCM 33 P
connector [ 1 ] of the wire harness side and ground
.
CONNECTION :
Brown - Ground
STANDARD :
No continuity
TOOL :
Test probe , 2 packs
07 ZAJ - RDJA 110
if there is continuity , check for short circuit in the Brown wire between the DLC and ECM/ PCM .
If there is no continuity
,
replace the ECM/PCM with a known good one , and recheck .
SAT SENSOR
REMOVAL/ INSTALLATION
Remove the center shelter
( page 2
-
12 )
.
Disconnect the IAT sensor 2 P ( Black ) connector [ 1 ] and
remove the IAT sensor [ 2 ]
.
Installation is in the reverse order of removal .
m
^
4
filf
We
0
m
[ 2 ]
[ 1 ]
( 2 ]
;
d
:
^
<
N
(
®
)
/
S -
c
'
S
m
n
m
UJ
:
,
[
3
]
[ 1 ]
Br
Q
I
A
-
'
IO
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Table of Contents
Troubleshooting
