TOHATSU 200 Series Service Manual page 80

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FUEL SYSTEM
DTC 41-2 (ABNORMAL HO2S HEATER)
(Except XT, XCT, XXT, XXCT types)
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the HO2S 4P connector
connector A
Clear the DTC (page 5-2).
• Continue the procedure if the DTC does not
clear.
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.
Check the DTC using the HDS.
Does the DTC 41-2 appear?
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
DTC 58-1, 58-2 (NO CMP 2 SENSOR
PULSE OR ABNORMAL SENSOR
PULSE)
(*) Refer
(BF175AK1·200AK1·225AK1: 62ZY300).
DTC 58-1 (NO CMP SENSOR PULSE)
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the CMP sensor 4P connector
ECM connector A
Clear the DTC (page 5-2).
• Continue the procedure if the DTC does not
clear.
Start the engine and check the DTC using the HDS.
Does the DTC 58-1 appear?
YES
NO
5-24
, 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.10 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.
to page of base
and then reconnect them.
– GO TO STEP 2.
– Temporary failure (code
reappear).
, ECM
-1 (rpm) for
does not
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