TOHATSU BFT250A Service Manual page 176

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FUEL SYSTEM
MIL BLINKS 7 TIMES (TP SENSOR)
ECM
THL
5 V
VCC2
SG2
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the TP sensor 3P connector
ECM connector A
joint connector 1
Reset the DTC (page 5-6).
Turn the combination switch ON and check the
number of blinks of the MIL.
Does the MIL blink 7 times?
YES
NO
2. TP sensor power/ground line open circuit
inspection
Turn the combination switch OFF and disconnect
the TP sensor 3P connector
Turn the combination switch ON.
Measure the voltage between the TP sensor 3P
connector
terminal and No.1 (Green) terminal.
Is the measurement within 4.75 – 5.25 V?
YES
NO
5-54
R/Bl
Bu
G
JOINT CONNECTOR 1
, ECM connector B
and then reconnect them.
– GO TO STEP 2.
– Temporary failure (code
reappear).
.
main wire harness side No.3 (Blue)
– GO TO STEP 3.
– Repair open in the main wire harness
between the ECM and TP sensor. If the
main wire harness is correct, replace the
ECM with a new one and recheck.
3 8
,
,
does not
TP SENSOR 3P CONNECTOR
MAIN WIRE HARNESS SIDE
TP SENSOR
Bu
R/Bl
G
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
VCC2 SG2
(Blue) (Green)