audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 4738 > < With Manufacturer's Scan Tool|Page 4736
Page 4
background image

If the specifications are not obtained:

-

Test wiring between engine control module and throttle valve control module.

Testing wiring

-

Unplug connector from throttle valve control module.

-

Connect test box VAG 1598/31 to wiring harness for engine control module. Do not connect to the engine control module itself. See: Testing and
Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/With Manufacturer's Scan Tool/Scan Tool Connecting and Initial Checks/Wiring
and Component Testing Using VAG1598/31 Test Box

-

Test for open circuit and short to Ground or positive in the following wiring connections:

Connector

Test box VAG 1598/31

Contact

Socket

1

92

2

83

3

117

4

84

5

118

6

91

-

Correct any open/short circuit as necessary.

If no malfunction is detected:

-

Install a new throttle valve control module.

With Manufacturer's Scan Tool|Page 4738 > < With Manufacturer's Scan Tool|Page 4736