TOHATSU BFT250A Service Manual page 128

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FUEL SYSTEM
DTC READOUT
Turn the combination switch ON; the MIL [1] will stay on
for a few seconds, then go off.
Start the engine and check the MIL.
• If the engine will not start, turn the starter motor for
more than 10 seconds and check the MIL.
If the MIL stays on or blinks, read the following:
– DTC (with the HDS: page 5-7)
– MIL (without the HDS: page 5-7)
CLEARING DTC
How to clear the DTC with HDS
Connect the HDS to the DLC (page 5-7).
Clear the DTC with the HDS while the engine is
stopped.
To clear the DTC without the HDS, refer to the following
procedure.
How to clear the DTC with SCS service connector
1. Turn the combination switch to OFF.
2. Remove the dummy connector [1] and short the
Brown and Green wire terminals of the DLC [2]
using the special tool.
TOOL:
SCS service connector [3] 070PZ-ZY30100
3. Push the combination switch to ON.
• Perform steps 4 though 6 within 20 seconds.
4. Push the emergency stop switch ON (push for 0.5
sec. or more) and OFF (release for 0.1 sec. or
more).
Repeat the procedure five times.
5. Check that the buzzer sounds twice.
The MIL should stay ON.
6. Turn the combination switch OFF. (ECM reset
procedure completes.)
5-6
[1] [2]
OFF
0.1 sec. or more
(Release)
ON (Push)
0.5 sec. or more
Within 20 seconds
BUZZER
COMBINATION
SWITCH ON
[1]
[3]
Sound
COMBINATION
SWITCH OFF