TOHATSU BFT250A Service Manual page 177

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3. TP
inspection
Turn the combination switch OFF.
Disconnect the ECM connector A
Check for an open or short in the wire between the
TP sensor 3P connector
side No.2 (Red/Black) terminal and ECM connector
A
terminal.
Is the signal line correct?
YES
NO
MIL BLINKS 8 TIMES (CMP 1 SENSOR)
ECM
TDC1P
TDC1M
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the CMP sensor 4P connector
ECM connector A
Reset the ECM (page 5-6).
Start the engine.
Turn the combination switch OFF and connect the
SCS service connector.
Turn the combination switch ON and check the
number of blinks of the MIL.
Does the MIL blink 8 times?
YES
NO
sensor signal line open/short
main wire harness
main wire harness side No.7 (Red/Black)
– Replace the throttle body with a new one
and recheck.
– Repair open or short in the main wire
harness between the ECM and TP sensor.
G
R
and then reconnect them.
– GO TO STEP 2.
– Temporary failure (code
reappear).
circuit
.
G G
R R
Bl: Black
Y: Yellow
Bu: Blue
G: Green
R: Red
W: White
,
does not
FUEL SYSTEM
CMP
SENSOR 1
Br: Brown
O: Orange
Lb: Light blue
Lg: Light green
P: Pink
Gr: Gray
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