B1461

DTC B1461/61 Emission Gas NOx Sensor Circuit

DESCRIPTION

DTC Detection Condition:

The smog ventilation sensor detects NOx in the emission gas and transmits signals to the A/C amplifier.

Based on the signals, the A/C amplifier performs automatic air inlet control (FRESH, FRESH/ RECIRCULATION, or RECIRCULATION mode).

Wiring Diagram:

Step 1-2:

Step 3-4:

Step 5-6:

Step 6 (Continued):

INSPECTION PROCEDURE