audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Throttle Full Open Switch|Locations|Page 2253 > < Throttle Full Open Switch|Locations|Page 2251
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If not, perform idle switch check and re-check full throttle switch. If full throttle switch still does not close when throttle is fully opened, replace throttle
valve switch/potentiometer assembly.

 
CIRCUIT CHECK

 

1.

Check continuity between throttle valve harness connector terminals #1 & #2 and ECM terminals 52 & 53 respectively.

 

^

Should be continuous and not grounded.

 
If not OK, repair open or short in wiring.
 

2.

Check continuity to ground between harness connector terminal #4 and engine block.

 

^

Should have continuity with not more than 0.2-0.5 ohms resistance.

If not, repair open in throttle switch ground wire.

Throttle Full Open Switch|Locations|Page 2253 > < Throttle Full Open Switch|Locations|Page 2251