Initial Inspection and Diagnostic Overview
Overview
Read Chapter General
- Read Ignition and high voltage components Ignition and High Voltage Components.
- Read Battery, charging.
- Read Control modules Control Modules.
- Read Power supply RTI-control module Power Supply RTI-Control Module.
- Read Radio Radio.
- Read Alarm Alarm.
- Read.
- Read Component location RTI Locations.
- Read System settings (customer settings).
Continue - Read Fault-tracing diagnostic trouble codes (DTCs)
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Read Fault-tracing diagnostic trouble codes (DTCs)
- Read section.
- If communication with the engine control module (ECM) cannot be established, see Checking communication with RTI control module Checking Communication With RTI Control Module.
Read off and note down the diagnostic trouble codes (DTCs).
Have diagnostic trouble codes (DTCs) been stored?
Yes - DTC table
No - Table of symptoms;
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DTC table
- Remedy diagnostic trouble codes (DTCs) according to instructions and then erase them.
- Test drive the car.
- Check the road and traffic information system functions. Note signs of any symptoms.
Read off and note down the diagnostic trouble codes (DTCs).
Have one or more diagnostic trouble codes (DTCs) been stored again?
Yes - DTC table
No - No diagnostic trouble code (DTC) stored
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No diagnostic trouble code (DTC) stored
Do the fault symptoms persist?
Yes - Table of symptoms;
No - Final check
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Table of symptoms;
- Select the appropriate fault symptoms and follow the relevant instructions.
- Test drive the car.
- Check the road and traffic information system functions. Note signs of any symptoms.
Are the fault symptoms still present?
Yes - Breakout box and parameter tables
No - Final check
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Breakout box and parameter tables
- Connect the breakout box and take readings at all terminals in accordance with Breakout box connection Breakout Box Connection.
Continue - Final check
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Final check
- Reinstall all components after fault-tracing/repairing the car.
- Check that no diagnostic trouble codes (DTCs) have been stored in other systems during fault-tracing.
- Erase any diagnostic trouble codes (DTCs) before the car is returned to the customer.
Continue - FAULT FOUND
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