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B1461

DTC B1461 Exhaust Gas Sensor Circuit (NOx)

CIRCUIT DESCRIPTION

Detection Item:




This sensor detects the exhaust gas (NOx) outside the vehicle and sends signal to the A/C ECU.

Wiring Diagram:






Step 1 - 2:




Step 3 - 4:




INSPECTION PROCEDURE

HINT: In case of using the LEXUS hand-held tester, start the inspection step 1 and in case of not using the LEXUS hand-held tester, start form step 2.