TOHATSU BFT250A Service Manual page 169

dummyhead dummyhead
MIL ON BUT DOES NOT BLINK OR INDICATE DTC CODE
OPTION
COMBINATION
SWITCH
Bl/Y Bl/Y
W/Bl W/Bl
INDICATOR
LAMP (MIL)
Bl/Y Bl/Y
R/Bu R/Bu
1. DLC short circuit inspection
Turn the combination switch OFF.
Disconnect the dummy connector from the DLC
Check for continuity between the DLC
(Light green) terminal and engine ground.
Is the measurement within 4.75 – 5.25 V?
YES
NO
2. MIL ON line short circuit inspection
Turn the combination switch OFF.
Disconnect the ECM connector A
Turn the combination switch ON and check the MIL.
Does the MIL go OFF?
YES
NO
TP SENSOR
3
1
ECM
Bu
12
WARNL
R/Bu
THL
R/Bl
5V
PB
W/R
K-LINE
Bu
PG3
G
TRMA
Y/Bu
5V
VCC1
Br/Y
5V
VCC2
Bu
IGP1
Y/Bl
IGP2
Y/Bl
LOAD
PG2
G
5V
BAT
VCC3
Br/W
SG1
G
5V
SG2
G
SCS
Lg
BAT
PG1
G
PGM
13
3
R/Bu R/Bu
2
W/Bl W/Bl
.
– GO TO STEP 2.
– Repair short in the main wire harness
between the ECM and the DLC.
– GO TO STEP 3.
– Repair short in the main wire harness
between the ECM and the MIL.
MAP SENSOR
No.5
2 1 1 2 3
FUSE
22
(10A)
R/Bl G Br/Y W/R G
4 6
27
W/Bl Y/Bl
Bl Bl
G G
23 24 20
GND2 GND4 GND1 JOINT CONNECTOR 1
No.4
.
FUEL SYSTEM
No.9 No.10
FUSE/RELAY
FUSE FUSE
JUNCTION BOX
(15A) (10A)
7 11
28
26
Y/Bl Y/Bl
Bu
Bl
DLC
Y/Bl
Lg
TRIM
ANGLE
16 SENSOR
Br/W Lg/Bl
Y/Bu Y/Bu
Bl Bl
Bl G G
Bl Black Br Brown
11
Y Yellow O Orange
3 8
Bu Blue Lb Light blue
G Green Lg Light green
R Red P Pink
W White Gr Gray
DLC
SCS
(Light green)
5-47