2016 Infinity Q70 Engine Control System

CONTENTS

VQ37VHR FOR USA AND CANADA

PRECAUTION .............................................30

PRECAUTIONS .................................................30

Precaution for Supplemental Restraint System

(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-

SIONER" ................................................................ 30

Precaution for Procedure without Cowl Top Cover

.... 30

Precautions for Removing Battery Terminal ..........30

On Board Diagnostic (OBD) System of Engine and A/T ................................................................... 31

General Precautions ..............................................32

PREPARATION ..........................................35

PREPARATION .................................................35

Special Service Tools .............................................35

Commercial Service Tools .....................................35

SYSTEM DESCRIPTION ............................37

COMPONENT PARTS ......................................37

ENGINE CONTROL SYSTEM ..................................37

ENGINE CONTROL SYSTEM : Component Parts

Location .................................................................. 37

ENGINE CONTROL SYSTEM : Component De- scription .................................................................. 40

INFINITI DRIVE MODE SELECTOR ........................41

Infiniti Drive Mode Selector : Component Parts Lo- cation ...................................................................... 42

Infiniti Drive Mode Selector : Component Descrip- tion ......................................................................... 42

Accelerator Pedal Position Sensor .........................43

Air Fuel Ratio Sensor 1 ..........................................43

Air Fuel Ratio Sensor 1 Heater ..............................43

ASCD Brake Switch ...............................................44

ASCD Indicator ...................................................... 44

ASCD Steering Switch ...........................................44

Revision: September 2015

Table Caption: This table lists various automotive sensors and components, along with their corresponding page numbers in a manual or document.

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Table Caption: This table is an index or table of contents, listing various vehicle systems, their components, and corresponding page numbers, likely from a service or repair manual. It also includes sections on diagnostic systems, troubleshooting, and repair procedures.

Revision: September 2015

Table Caption: This table appears to be an index or table of contents for a vehicle service manual, detailing various additional services, power supply and ground circuit diagnostics, and specific diagnostic trouble codes (DTCs) with their corresponding page numbers.

Revision: September 2015

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Table Caption: This table appears to be an index or table of contents for a technical manual, listing various diagnostic trouble codes (DTCs) and associated component inspections, DTC logic, component function checks, and diagnosis procedures with corresponding page numbers.

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Table Caption: This table appears to be an index or table of contents for a technical manual, listing diagnostic trouble codes (DTCs) and associated procedures or information with corresponding page numbers.

**Table Caption: This table is a partial index or table of contents for a technical manual, listing diagnostic trouble codes (DTCs) with corresponding page numbers for their logic, diagnosis procedures, and component