B1418

DTC B1418 Exhaust Gas Sensor Circuit (HC, CO)

CIRCUIT DESCRIPTION

Detection Item:

This sensor detects the exhaust gas 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 from step 2.