TOHATSU 200 Series Service Manual page 94

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FUEL SYSTEM
MIL BLINKS 7 TIMES (TP SENSOR)
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 5-2).
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
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 is correct?
YES
NO
5-38
, 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.
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.
,
,
does not
.
circuit
.
TP SENSOR 3P CONNECTOR
MAIN WIRE HARNESS SIDE
VCC2 SG2
(Blue) (Green)