General Information: Overview Infiniti FX45 I

Description

Observe the following precautions to ensure safe and proper servicing. These precautions are not described in each article.

Operation Procedure

1. Connect both battery cables.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the "ACC" position. At this time, the steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be rotated.
4. Perform the necessary repair operation.
5. When the repair work is completed, return the ignition switch to the "LOCK" position before connecting the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT-II.

Articles include "Removal, Disassembly, Installation, Inspection, Adjustment" and "Trouble Diagnoses" procedures or links when necessary.

Note. Trouble diagnoses indicate work procedures required to diagnose problems effectively. Observe the following instructions before diagnosing.

1. Before performing trouble diagnoses, read the "Preliminary Check", the "Symptom Chart" or the "Work Flow".
2. After repairs, re-check that the problem has been completely eliminated.
3. Refer to Component Parts and Harness Connector Location for the Systems described in each section for identification/location of components and harness connectors.
4. Refer to the Circuit Diagram for quick pinpoint check. If you need to check circuit continuity between harness connectors in more detail, such as when a sub-harness is used, refer to Wiring Diagram in article or Harness Layout «FX35 SYSTEM WIRING DIAGRAMS»(ref-166528) Or «FX45 SYSTEM WIRING DIAGRAMS»(ref-166529) article for identification of harness connectors .
5. When checking circuit continuity, ignition switch should be OFF.
6. Before checking voltage at connectors, check battery voltage.
7. After accomplishing the Diagnostic Procedures and Electrical Components Inspection, make sure that all harness connectors are reconnected as they were.

Scheme 1

1. Work and diagnostic procedure Start to diagnose a problem using procedures indicated in enclosed test groups.
2. Questions and required results Questions and required results are indicated in bold type in test group. The meaning of are as follows. a. Battery voltage means 11 - 14V or approximately 12V b. Approximately 0V means Less than 1V
3. Symbol used in Figures Symbols included in figures refer to measurements or procedures. Before diagnosing a problem, familiarize yourself with each symbol. Refer to «Connector Symbols»(ref-178916-S22437715902005062500000) and «KEY TO SYMBOLS SIGNIFYING MEASUREMENTS OR PROCEDURES»(ref-178916-S21345210832005062500000) .
4. Action items Next action for each test group is indicated based on result of each question. Test group number is shown in the left upper portion of each test group.

Abbreviations

The following Abbreviations are used

IDENTIFYING ABBREVIATIONS

1. CONSULT-II is a hand-held type tester. When it is connected with a diagnostic connector equipped on the vehicle side, it will communicate with the control unit equipped in the vehicle and then enable various kinds of diagnostic tests.
2. Refer to "CONSULT-II Software Operation Manual" for more information.

Scheme 2