Electrical Testing

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 Audi A3 Quattro, 2017 Audi A3 Quattro, 2016 Audi A3 Quattro, 2016 Audi A3, and 2015 Audi A3 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Step	Procedure	Result / Action to Take
1	CONNECT: Scan Tool. IGNITION: ON. CHECK: For stored or related DTCs. -- Were any other DTCs stored?	-- YES: GO TO: Step 2. -- NO: GO TO: Step 3.
2	Repair these DTCs first before performing any of the following steps.	GO TO: Proper Diagnostic procedure per the stored DTC. Refer to ENGINE DTC TABLES .
3	Using the Scan Tool, erase the DTC memory. Refer to DIAGNOSTIC MODE 04 - ERASE DTC MEMORY . Perform a road test to attempt to duplicate the customers complaint. -- Does DTC return?	-- YES: GO TO: Step 4. -- NO: GO TO: Step 5.
4	Perform the diagnostic procedure for that DTC.	GO TO: Proper Diagnostic procedure per the stored DTC. Refer to ENGINE DTC TABLES .
5	FAULT: Intermittent or a sporadic condition. CHECK: Suspected components. PERFORM: Visual Inspection of wiring and components. CHECK: Wiring for open, high resistance, short or harness connector for damage, corrosion, loose or broken terminals. REPAIR: Faulty wiring or connector.	Perform a road test to verify the repair. Generate readiness code. Refer to READINESS CODE .