Toyota Corolla Cross: Transmitter Battery (w/ Smart Key System)

 Catalyst System Efficiency Below Threshold Bank 1 (P042000)

MONITOR DESCRIPTION The ECM uses air fuel ratio sensors mounted in front of and behind the Three-Way Catalytic Converter (TWC) to monitor its efficiency. The first sensor, the air fuel ratio sensor (sensor 1), sends pre-catalyst information to the ECM. The second sensor, the air fuel ratio sensor

 Installation

INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION) Procedure Part Name Code 1 AUTOMATIC LIGHT CONTROL SENSOR 89120A - - - 2 INSTRUMENT PANEL SAFETY PAD ASSEMBLY - - - - PROCEDURE 1. INSTALL AUTOMATIC LI