Communication network (vehicles up to 08.2001) — diagnostics and checks

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Inspection and verification


1. Check the customer's complaint.

2. Check for the following faults.

Visual inspection


Electrical factors:
  • Module (And)
  • Wiring
  • Loose or corroded connectors

3. If failures persist after troubleshooting problems identified by visual inspection, identify the symptoms and refer to the Symptom Chart

Symptom table


State

Possible Causes

Action

• The airbag module does not respond to requests from the FDS 2000 system

• Airbag module.

•Wiring.

•Go to System Check A.

• Module of the electronic stability program (ESP) not responding to FDS 2000 requests

• Module of the electronic stability program (ESP).

•Wiring.

•Go to System Check B.

• Steering wheel position sensor not responding to FDS 2000 requests

• Steering wheel position sensor.

•Wiring.

•Go to System Check C.

•Trip computer module does not respond to FDS 2000 requests

• Trip computer module.

•Wiring.

•Go to System Check D.

•Auxiliary heater not responding to FDS 2000 requests

•Additional heater

•Wiring.

•Go to System Check E.

•The radio/traffic communication module is not responding to FDS 2000 requests

• Radio/traffic communication system module.

•Wiring.

•Go to System Check F.

• ABS module does not respond to FDS 2000 requests

• ABS module.

•Wiring.

• Fault detection is carried out by the FDS 2000 system.

•ABS module with TCS does not respond to FDS 2000 requests

• ABS module with TCS.

•Wiring.

• Fault detection is carried out by the FDS 2000 system.

•All engines: Powertrain control module (PCM) not responding to FDS 2000 requests

•Powertrain control module (PCM)

•Wiring.

• Fault detection is carried out by the FDS 2000 system.

•Instrument panel does not respond to requests from the FDS 2000 system

•Dashboard.

•Wiring.

• Fault detection is carried out by the FDS 2000 system.

• The central timer module does not respond to requests from the FDS 2000 system

•Module of the central timer.

•Wiring.

• Fault detection is carried out by the FDS 2000 system.

• Anti-theft alarm/double door lock module not responding to FDS 2000 requests

• Anti-theft alarm/double door lock module

•Wiring.

• Fault detection is carried out by the FDS 2000 system.








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