TOHATSU 200 Series Service Manual page 71

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DTC 6-2 (ECT SENSOR 1 (EBT SENSOR) VOLTAGE
IS TOO HIGH)
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the EBT sensor 2P connector
ECM connector A
switch wire 6P connector
them.
Clear the DTC (page 5-2).
• Continue the procedure if the DTC does not
Turn the combination switch ON.
Measure the EBT sensor voltage using the HDS.
Is the measurement within 0.08 – 4.92 V?
YES
NO
2. EBT sensor signal /GND line open 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
, ECM connector B
clear.
– Temporary failure
reappear).
– GO TO STEP 2.
main wire harness side No.1 (Red/
– Replace the EBT sensor with a new one
and recheck.
– Repair open 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.
,
,
and then reconnect
(code does not
.
FUEL SYSTEM
EBT SENSOR 2P CONNECTOR
MAIN WIRE HARNESS SIDE
SG2
TE
(Green/Red)
(Red/White)
5-15