B1461

DTC B1461/61 Emission Gas NOx Sensor Circuit

DESCRIPTION

DTC Detection Condition:

The exhaust gas sensor detects NOx in the emission gas and transmits signals to the A/C amplifier. Based on the signals, the A/C amplifier automatically changes to FRESH, FRESH / RECIRCULATION, or RECIRCULATION.

Wiring Diagram:

Step 1-2:

Step 3-4:

Step 5-6:

Step 6 (Continued):

INSPECTION PROCEDURE