Diagnosis description : counter system
RELATIONSHIP BETWEEN MIL, 1ST TRIP DTC, DTC, AND DETECTABLE ITEMS
When a malfunction is detected for the first time, the 1st trip DTC and
the 1st trip freeze frame data are
stored in the ECM memory.
When the same malfunction is detected in two consecutive trips, the DTC
and the freeze ...
Daytime light relay circuit
Description
The bcm sends a daytime light request to the ipdm e/r via the can
communication lines. The power flows
through fuse 29 located in fuse block j/b to the daytime light relay coil. When
the ipdm e/r operates the daytime
light relay, power is sent to the daytime lamps.
Diagnosis proc ...
P0171 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 ...