Possible causes for the open circuit are as follows. As the cause can exist in the connector/coupler or terminal, they need to be checked carefully.
When checking system circuits including an electronic control unit such as ecm, etc., It is important to perform careful check, starting with items which are easier to check.
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Check each terminal visually for poor contact (possibly caused by dirt, corrosion, rust, entry of foreign object, etc.). At the same time, check to make sure that each terminal is fully inserted in the coupler and locked.
If contact tension is not enough, rectify the contact to increase tension or replace. The terminals must be clean and free of any foreign material which could impede proper terminal contact.
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Locate abnormality, if any.
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DTC “c42” (p1650): ig switch circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
Ignition switch signal is not input to the ecm.
Ignition system circuit open or short.
Ecm malfunction.
When the id agreement is not verified.
Ecm does not re ...
Exhaust control valve inspection
Inspect exhaust control valve
initially at 1 000 km (600 miles, 2 months) and every
12 000 km (7 500 miles, 24 months) thereafter
Inspect exhaust control valve as follows:
remove the left side cowling. Refer to “exterior parts removal and
installation” in section 9d .
Check t ...
Precautions
Precautions for suspension
Refer to “general precautions” in section 00 (page 00-1).
All
suspensions, bolts and nuts are an important part in that it could
affect the performance of vital
parts. They must be tightened to the specified torque periodically and
if the suspension ...