Text in Illustration
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE A/C AMPLIFIER
From 08/2009
HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1461/61: Emission Gas NOx Sensor Circuit
B1461/61 - Emission Gas NOx Sensor Circuit
DESCRIPTION
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
INSPECTION PROCEDURE
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. READ VALUE USING TECHSTREAM
(a) Connect the Techstream to the DLC3.
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