Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Certification Ecu

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 Removal

REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL) Procedure Part Name Code 1 CONNECTOR HOLDER 82666 - - - 2 SMART KEY ECU ASSEMBLY (

 Installation

INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION) Procedure Part Name Code 1 SMART KEY ECU ASSEMBLY (CERTIFICATION ECU) 89990A - - -

 Electrical Key Oscillator (for Front Floor)

RemovalREMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL) Procedure Part Name Code 1 CONSOLE BOX ASSEMBLY 58810J - - - 2 NO. 1 INDOOR

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 Reassembly

REASSEMBLY CAUTION / NOTICE / HINT COMPONENTS (REASSEMBLY) Procedure Part Name Code 1 INSTRUMENT PANEL CUSHION 55349A - - 2 NO. 1 INSTRUMENT PANEL PIN 55328 - - - 3 NAVIGATION ANTENNA ASSEMBLY WITH BRAC

 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

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