TOHATSU BFT115A Service Manual page 192

FUEL SYSTEM
MIL BLINKS 41 (4 LONG BLINKS AND ONE SHORT BLINK)
A/F SENSOR HEATER
ECM
LAFR
AFHT+
AFHT
AFC
AFV
Bl Black Br Brown
Y Yellow O Orange
Bu Blue Light blue
Lb
Lg
G Green Light green
R Red P Pink
W White Gr Gray
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the A/F sensor 4P connector
fuse/relay junction box 23P connector
relay junction box 10P connector
connector A
Clear the DTC (page 5-6).
Start the engine and let it run at 3,000 min
5 minutes or more under no load until the engine
temperature is over 85 °C (185 °F).
Turn the combination switch OFF and connect the
SCS service check connector.
Turn the combination switch ON and check the
number of blinks of the MIL.
Does the MIL blink 41?
YES
NO
5-74
12
G/Y
No. 3
FUSE
W
(30 A)
Bl/W
A/F
BI/Y
SENSOR
HEATER
RELAY
3 7
17
W W
W/BI
W/BI Bl/Y Bl/W W
3
2 1 3 4
W Bu Bl Bl
A/F SENSOR
HEATER
, and then reconnect them.
12
– GO TO STEP 2.
– Temporary failure (code
reappear)
FUSE/RELAY JUNCTION BOX
No. 4
FUSE
(30 A)
MAIN
RELAY
6
9
16 16
G/Y Bl
Bl Bl
W/Bl
2
29
6
7
1
JOINT
CONNECTOR 1
GND3
,
3
, fuse/
16
, and ECM
17
-1
(rpm) for
does not
No. 5
FUSE
(10 A)
4 T5
4
15
W/Bl
Bl/Y Bl
BATTERY
Bl/Y
GND1
2
BAT
W/Bl
LOAD
Bl/Y
COMBINATION SWITCH
Bl/Y
W/Bl
OPTION