TOHATSU BFT250A Service Manual page 152

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FUEL SYSTEM
DTC 8-1, 8-2 (NO CMP 1 SENSOR PULSE OR ABNORMAL SENSOR PULSE)
ECM
TDC1P
TDC1M
DTC 8-1 (NO CMP 1 SENSOR PULSE)
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the CMP sensor 4P connector
ECM connector A
Clear the DTC (page 5-6).
• Continue the procedure if the DTC does not
clear.
Start the engine and check the DTC using the HDS.
Does the DTC 8-1 appear?
YES
NO
2. CMP sensor inspection
Turn the combination switch OFF.
Inspect the CMP 1 sensor (page 5-123).
Is the CMP 1 sensor correct?
YES
NO
5-30
G
R
and then reconnect them.
– GO TO STEP 2.
– Temporary failure (code
reappear).
– Repair the open or short circuit in the CMP
1 sensor harness between the CMP 1
sensor and ECM. If the main wire harness
is correct, replace the ECM with a new one
and recheck.
– Replace the CMP 1 sensor with a new one
and recheck.
G G
R R
Bl: Black
Y: Yellow
Bu: Blue
G: Green
R: Red
W: White
,
does not
CMP 1
SENSOR
Br: Brown
O: Orange
Lb: Light blue
Lg: Light green
P: Pink
Gr: Gray