TOHATSU 200 Series Service Manual page 102

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FUEL SYSTEM
MIL BLINKS 41 TIMES (4 LONG
BLINKS AND ONE SHORT BLINK)
HO2S HEATER (Except XT, XCT, XXT,
XXCT types)
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the HO2S 4P connector
connector A
Reset the ECM (page 5-2).
Start the engine and let it run at 3,000 min
5 minutes or more under no load.
Let the engine idle for a minute or more.
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 41 times?
YES
NO
2. HO2S heater inspection
Turn the combination switch OFF.
Inspect the HO2S heater (page 5-60).
Is the HO2S heater correct?
YES
NO
5-46
, junction box 23P connector
and then reconnect them.
– GO TO STEP 2.
– Temporary failure (code
reappear).
– Repair open in the main wire harness
between the No.3 fuse and the HO2S or
between the HO2S and ECM. If the main
wire harness is correct, replace the ECM
with a new one and recheck.
– Replace the HO2S with a new one and
recheck.
, ECM
-1
(rpm) for
does not