Volkswagen Golf / Golf GTI / Jetta. Manual — part 134

01-115

- Disconnect 2-pin connector from

Secondary Air Injection (AIR)
Pump Motor (arrow).

- Connect LED test light VAG 1527

to disconnected connector using
adapter cables from VAG 1594.

LED must flash

Output Diagnosis Test Mode (DTM)

01-116

LED flashes:

- Press -C- button to abort output Diagnosis Test

Mode (DTM).

Output Diagnosis Test Mode was aborted

Indicated on display:

Repair Manual, 2.8 Liter VR6 4V Engine

Mechanical, Engine Code(s): BDF; Repair Group
26

If the LED does not flash but the Secondary Air
Injection (AIR) Pump Relay clicks:

- Switch off ignition.

- Replace Secondary Air Injection (AIR) Pump

Motor -V101-:

- Check DTC memory, repair Diagnostic Trouble

Codes (DTCs) if necessary and then erase DTC
memory

Page 01-23

, DTC memory, checking

and erasing.

- Read readiness code

Page 01-146

. If the

DTC memory has been erased or the Motronic
Engine Control Module (ECM) -J220- was
disconnected from battery (B+) positive, the
readiness code must be generated again

Page 01-149

.

- Press -C- button to abort Output Diagnosis Test

Mode (DTM).

Output Diagnosis Test Mode was aborted

Indicated on display:

- Switch off ignition.

Output Diagnosis Test Mode (DTM)

01-117

If no electrical or wiring concerns are
found:

- Check wire for open circuit

between Secondary Air Injection
(AIR) pump motor -V101- terminal
1 and body Ground (GND).

Wire resistance: max. 1.5

Note:

- Pull Secondary Air Injection (AIR)

Pump Relay -1- out of relay
carrier in protective housing for
control modules.

If tools are necessary to pull

relays or control modules out of
the relay plate, first disconnect
battery Ground (GND) strap.

Before disconnecting battery

Ground (GND) strap obtain code
for radios with anti-theft coding.

Output Diagnosis Test Mode (DTM)

01-118

If no electrical or wiring concerns are
found:

- Check wiring for open circuit

between connector terminal 2 on
Secondary Air Injection (AIR)
Pump Motor and terminal 2 on
relay plate.

- Wire resistance: max. 1.5

If no electrical or wiring concerns are
found:

- Check wire for open circuit

between terminal 1 of relay plate
and fuel pump (FP) relay -J17-
referring to Electrical Wiring
Diagrams.

Wire resistance: max. 1.5

- Replace Secondary Air Injection

(AIR) pump relay -J299-.

- Check DTC memory, repair

Diagnostic Trouble Codes (DTCs)
if necessary and then erase DTC
memory

Page 01-23

, DTC

memory, checking and erasing.

Output Diagnosis Test Mode (DTM)