Jaguar XJ8 2007 User Manual

SRS Flash Code Diagnostics

MODEL

XJ Range

DATE

24-SEP 2007

NUMBER

JTB00062

SERVICE

TECHNICAL BULLETIN

THIS BULLETIN REPLACES ALL ISSUES OF XJ501-09.

THE CHANGES ARE HIGHLIGHTED WITH GREY BACKGROUND

SECTION: 501-00

Supplemental Restraint System (SRS) Flash Code and PID Code Definitions – Diagnostic Aid

AFFECTED VEHICLE RANGE:

XJ Range VIN: G000001 - Onwards

Model Year: 2004 - Onwards Situation: This bulletin provides information on Flash Codes and Parameter Identification (PID) code

descriptions to assist in the diagnosis of Supplemental Restraint System (SRS) faults. This document is to be used as a guide only. It supports the existing diagnostic equipment, circuit diagrams in the Electrical Guide, and the Workshop Manual.

Action: In the event of a customer concern of the above, perform the following Diagnostic Procedure outlined below.

PARTS:

None required. Informational purposes only.

TOOLS:

Jaguar IDS with IDS DVD 108 or later and Midtronics PCS-550 Vehicle Power Supply are required.

WARRANTY:

NOTE: Repair procedures are under constant review, and therefore times are subject to

change; those quoted here must be taken as guidance only. Always refer to DDW to obtain the latest repair time.

DDW requires the use of causal part numbers. Labor only claims must show the causal part number with a quantity of zero.

Normal warranty policy and procedures apply.

NOTE: The information in Technical Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and equipment required to do the job properly and safely. It informs these technicians of conditions that may occur on some vehicles, or provides information that could assist in proper vehicle service. The procedures should not be performed by “do-it-yourselfers.” If you are not a Retailer, do not assume that a condition described affects your vehicle. Contact an authorized Jaguar service facility to determine whether the bulletin applies to a specific vehicle.

NUMBER

TECHNICAL BULLETIN

JTB00062

DIAGNOSTIC PROCEDURE

RETRIEVING FLASH CODES

CAUTION: A Midtronics PSC-550 Vehicle Power Supply must be connected to the vehicle

battery during diagnosis.

1. Connect the Midtronics PSC-550 Vehicle Power Supply to the vehicle battery.

NOTE: Only one Flash Code will be displayed at a time; however, there may be multiple fault

codes stored which will only be displayed after the original fault is repaired.

2. Retrieve and record any Flash Codes stored in the Restraint Control Module (RCM) by observing the SRS warning indicator located in the instrument cluster.

RETRIEVEING DTC AND PID CODES

1. Connect the IDS to the vehicle and begin a new diagnostic session by entering the correct VIN for the current vehicle.

NOTE: The PID code displayed in brackets next to the DTC differs from the Flash Code.

These two codes must not be confused as incorrect diagnosis may occur.

2. Retrieve and record any logged Diagnostic Trouble Codes (DTCs) and PID codes from the RCM.

DIAGNOSING THE FAULT(S)

WARNING: Ensure all safety procedures are followed before and during any work that is

carried out on the SRS.

1. Using the Index, the retrieved Flash Codes, DTCs, and PID codes determine the correct fault description.

2. Check the list of possible causes/connectors against that fault description for poor connections, backed out or bent pins, visible damage, or trapped harnesses.

NOTE: Within the IDS Datalogger function there is a facility to display airbag circuit resistance as seen by the restraints control module. Utilizing the Restraints Control Module resistance read function provides an opportunity to observe circuit resistance stability when investigating harness and connector integrity. The IDS airbag resistance read function can be accessed in the body system section of Datalogger. Typical resistance values are between 1.6 – 2.9 Ohms with the exception of driver front airbag which is between 2.4 – 4.2 Ohms due to additional circuit length within clockspring.

3. Repair using standard SRS repair processes.

NOTE: If a fault is identified within the Occupancy Classification System (OCS) Module, passenger seat weight sensor, or passenger seat weight sensor harness, ALL components MUST be replaced as a complete kit.

NOTE: If the RCM has been identified as being faulty and requires replacement, any additional faults within the SRS MUST be repaired and DTCs cleared BEFORE replacing the RCM.

4. Clear all DTCs.

5. Disconnect the IDS and Midtronics PSC-550 from the vehicle.

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