P0172 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 ...
Removal and installation
Nats antenna amp
Removal and installation
Removal
Remove instrument finisher b. Refer to ip-14, "exploded view".
Using a suitable tool release the pawls on either side and remove the
NATS antenna amp. from the pushbutton
ignition switch.
Installation
Installation is in the ...
Sensor power supply 2 circuit
Description
ECM supplies a voltage of 5.0 V to some of the sensors systematically divided
into 2 groups, respectively.
Accordingly, when a short circuit develops in a sensor power source, a
malfunction may occur simultaneously
in the sensors belonging to the same group as the shorted-circui ...