Fi system parts location


Schematic and routing diagramFi system troubleshooting
Customer complaint analysis
Record details of the problem (failure, complaint) and how it occurred as
described by the customer. For this purpose,
use of such an inspection form such as following will facilitate collecting
information to the point required for proper
analysis and diagnosis.
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DTC “c21” (p0110-h/l): iat sensor circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
C21
Output voltage is not with in the following
range.
0.15 V ≤ Sensor voltage < 4.85 V
Iat sensor circuit open or short.
Iat sensor malfunction.
Ec ...
Battery
Battery connection in reverse polarity is strictly
prohibited. Such a wrong connection will damage the
components of the fi system instantly when reverse
power is applied.
Removing any battery terminal of a running engine is
strictly prohibited. The moment such removal is made,
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