Ignition System: Service Precautions

Safety Precautions

If special testing equipment is required during a road test, note the following:






Improperly secured testing and measuring equipment and distraction during a road test increase the risk of an accident.

The passenger airbag could pose a risk if it deploys in a collision.

• Operating testing equipment while driving causes it to shift position.

• There is an increased risk of injury due to unsecured testing equipment.

• Move the front passenger seat as far back as possible.

• Do NOT use the following vehicle diagnosis testers: VAS 5051 , VAS 5051A and VAS 5051B.

• Testing and measuring instruments - 1 - must lay flat on the passenger's thighs and be operated by him or her, as shown in the illustration.

Danger of causing damage to other electronic components when disconnecting the battery.

• Complete the steps for disconnecting the battery.

- Disconnect the battery.

To reduce the risk of personal injury and/or damage to the fuel injection and ignition system, always observe the following:

• Do not touch or remove ignition wires when engine is running or turning at starter speed.

• Always turn the ignition off before disconnecting or reconnecting wires for the ignition system, including high voltage wiring and test leads.

• If the engine is to be cranked at starting RPM without starting, disconnect the connectors from the ignition coils and fuel injectors.

• Cleaning the engine should only be performed with ignition turned off.