PrecautionP0171 Fuel injection system function
DTC Logic
DTC DETECTION LOGIC
With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture
ratio can be brought closely to the
theoretical mixture ratio based on the mixture ratio feedback signal from the
A/F sensors 1. The ECM calculates
the necessary compensation to correct th ...
Evaporative emission system
Inspection
EVAP CANISTER
1.CHECK EVAP CANISTER
Block port (B).
Blow air into port (A) and check that it flows freely out of port (C).
Release blocked port (B).
Apply vacuum pressure to port (B) and check that vacuum pressure
exists at the ports (A) and (C).
Block port (A) and (B).
...
Diagnosis and repair workflow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1. OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2.
2. CONFIRM THE SYMPTOM
Check the malfunction on the ...