Check activation of the Secondary Air Injection (AIR) pump relay

Connect VAG 1527B voltage tester as follows:

SECONDARY AIR INJECTION PUMP RELAY CIRCUIT TEST

3-socket relay carrier in E-box, plenum chamber, position 2 terminal	Measure to
6	B+

Initiate output Diagnostic Test Mode (DTM) and activate Secondary Air Injection (AIR) pump relay -J299-
See OUTPUT DIAGNOSTIC TEST MODE (DTM) .
- LED must blink.
If LED does not blink:
Switch ignition off.
Connect VAG 1598/31 test box at wiring harness to ECM, do not connect ECM.
See WIRING AND COMPONENT CHECK WITH VAG1598/31 TEST BOX .

Check following wire connection for open circuit and short circuit to Ground (GND) and B+:

SECONDARY AIR INJECTION PUMP RELAY CIRCUIT TEST

3-socket relay carrier in E-box, plenum chamber, position 2 terminal	VAG 1598/31 test box Bushing
6	46

Repair open circuit or short circuit if necessary.
If no malfunctions are detected:
Replace Secondary Air Injection (AIR) pump relay -J299-.