Vauxhall Workshop Service and Repair Manuals > Astra J > Engine | Engine Electrical | Other Information

Symptoms - Stop/Start System

Note: The following steps must be completed before using the symptom tables.

1.	Perform the Diagnostic System Check - Vehicle before using the symptom tables in order to verify that all of the following are true:

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There are no DTCs set.

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The control modules can communicate via the serial data link.

2.	Review the system description and operation in order to familiarize yourself with the system functions. Refer to Stop/Start System Description and Operation .

•	Inspect for aftermarket devices which may affect the operation of the Stop/Start System. Refer to Checking Aftermarket Accessories .

•	Inspect the easily accessible or visible system components, for obvious damage or conditions, which may cause the symptom.

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections .

Refer to a symptom diagnostic procedure to diagnose the symptom: