TOHATSU BFT115A Service Manual page 186

FUEL SYSTEM
MIL BLINKS 22 (2 LONG BLINKS AND 2 SHORT BLINKS) EOP SENSOR
ECM
5V
POIL
5V
VCC2
SG2
• When the MIL blinks 6, 7, 10, 22, 24, 25, and 27 at
the same time, the ground line (SG2) is open.
• When the MIL blinks 7 and 22 at the same time, the
power line (VCC2) is open.
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the EOP sensor 3P connector
ECM connector A
and joint connector 2
them.
Clear the DTC (page 5-6).
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 22?
YES
NO
2. EOP sensor power line open circuit inspection
Turn the combination switch OFF and disconnect
the EOP sensor 3P connector
Turn the combination switch ON.
Measure the voltage between the EOP sensor 3P
connector
(Brown/White) terminal and engine ground.
Is the measurement within 4.75 – 5.25 V?
YES
NO
5-68
12
Y/R
Br/W
G/R
13
28
JOINT
CONNECTOR 2
, ECM connector B
12
, and then reconnect
28
– GO TO STEP 2.
– Temporary failure (code
reappear)
7
main wire harness side No.1
7
– GO TO STEP 3.
– Repair open in the Brown/White wire. If the
main wire harness is normal, replace the
ECM with a new one and recheck.
G/R G/R
21
17
Bl
Y
Bu
G
R
W
,
7
,
13
does not
.
EOP SENSOR 3P CONNECTOR
MAIN WIRE HARNESS SIDE
EOP
SENSOR
7
Br/W
Y/R
G/R
Black Br Brown
Yellow Orange
O
Blue Lb Light blue
Lg
Green Light green
Red P Pink
White Gr Gray
7
VCC2
(Brown/White)