1997-2003 Infiniti QX4 Automatic Transmission Service Manual

Covers 1997-2003 Infiniti QX4 automatic transmission diagnostic procedures, repair information, and component testing with diagrams and schematics. Ref: 31390-85X00

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Document Details

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Document Number / Seller:
27908 / Karen Williams
File Size:
46.24 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
SUV
Last updated / verified
Jul 4, 2025

Models Covered & Key Technical Specifications

Automatic Transmission Manual: Infiniti QX4 (31390-85X00) – 1997-2003 Reference-Archive

Infiniti QX4 Automatic Transmission Manual | Infiniti Edition.

  • Published Fastening Values: 1.5 - 3.0V corresponds to the normal operating range for line pressure solenoid valve operation.
  • Integral Threaded Fastener Data: 0.5V or less determines the judgment standard for torque converter clutch solenoid valve operation.
  • Fundamental System Fill: Approximately 1.5V -- signifies the output voltage for the A/T fluid temperature sensor in cold conditions.
  • Operational Power Framework: The A/T fluid temperature sensor requires Approximately 0.5V for hot conditions.
  • Fundamental Throughput Data: Voltage varies between less than 1V and more than 4.5V for the vehicle speed sensor.
  • Universal Output Density: 1V or less dictates the judgement standard for shift solenoid valve A operation.

Professional Workshop Service Manual & Technical Specifications

Automatic Transmission Manual: Infiniti QX4 (31390-85X00) – 1997-2003 Reference-Archive

Model-Specs: QX4 / Infiniti // Technical-Benchmarks: SUV / Automatic Logic // Model-Specs: 1997-2003.This manual documents the automatic transmission system for the Infiniti QX4, covering model years 1997 through 2003. It provides detailed information on diagnostic procedures, repair steps, and component specifications necessary for servicing the transmission. Procedures are organized to guide technicians through troubleshooting and repair, ensuring proper functionality and longevity of the vehicle's automatic transmission system.

Table of Contents Summary:

  • On-Board Diagnostic System Description
  • Trouble Diagnosis - Introduction
  • Trouble Diagnosis - Basic Inspection
  • Trouble Diagnosis - General Description
  • DTC P0705 Park/Neutral Position Switch
  • DTC P0710 A/T Fluid Temperature Sensor Circuit
  • DTC P0720 Vehicle Speed Sensor-A/T (Revolution Sensor)

This document offers comprehensive coverage for the Infiniti QX4 automatic transmission. It details the various systems within the transmission, including shift control, torque converter clutch operation, and diagnostic trouble codes. Essential specifications and diagnostic workflows are presented to assist in identifying and resolving issues. The manual includes a detailed breakdown of components and their functions, supported by system diagrams and troubleshooting charts.

This manual documents torque specifications for the control valve to ensure proper gasket seal integrity.

FAQ

What are the **proper** clearance measurements? keyboard_arrow_down

1.5 - 3.0V is the normal operating range for the line pressure solenoid valve, as detailed in the manual.

Specify the **standard** torque specifications. keyboard_arrow_down

Approximately 0.5V signifies the output voltage for the A/T fluid temperature sensor in hot conditions, according to the manual.

What is the **necessary** safety precautions? keyboard_arrow_down

Always drive vehicle at a safe speed and be careful not to rev the engine into the red zone on the tachometer, as stated on page 847.

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The manual is thorough and easy to follow. I appreciated the quick download process and the support team's prompt responses to my questions. Overall, a fantastic purchase!
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This manual made the repair process a breeze! The detailed instructions saved me a lot of time. The download was seamless, and I received the link almost instantly after purchase. Highly recommend!