TOHATSU BFT250A Service Manual page 175

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MIL BLINKS 6 TIMES (EBT SENSOR)
ECM
5 V
SG2
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the EBT sensor 2P connector
ECM connector A
switch wire 6P connector
Reset the ECM (page 5-6).
Turn the combination switch ON and check the
number of blinks of the MIL.
Does the MIL blink 6 times?
YES
NO
2. EBT sensor signal /GND line open/short circuit
inspection
Turn the combination switch OFF and disconnect
the EBT sensor 2P connector
Turn the combination switch ON.
Measure the voltage between the EBT sensor 2P
connector
White) terminal and No.2 (Green/Red) terminal.
Is the measurement within 4.75 – 5.25 V?
YES
NO
R/W
TE
G
3 5
, ECM connector B
and then reconnect them.
– GO TO STEP 2.
– Temporary failure
reappear).
main wire harness side No.1 (Red/
– Replace the EBT sensor with a new one
and recheck.
– Repair open or short in the Red/White or
Green/Red wire harness between the
ECM and EBT sensor. If the main wire
harness is correct, replace the ECM with a
new one and recheck.
R/W R/W
G G/R
JOINT CONNECTOR 1
,
,
, joint connector 1
(code does not
.
FUEL SYSTEM
EBT
SENSOR
R/W
G/R
Bl: Black Br: Brown
Y: Yellow O: Orange
Bu: Blue Lb: Light blue
G: Green Lg: Light green
R: Red P: Pink
W: White Gr: Gray
EBT SENSOR 2P CONNECTOR
MAIN WIRE HARNESS SIDE
SG2
TE
(Green/Red)
(Red/White)
5-53