21/8 Track 76-88

1997 A4 (2.8l - Motronic Engine, 6-Cylinder) Code ACK


Fuse Colors:

30A - Green
25A - White
20A - Yellow
15A - Blue
10A - Red

Fuse in fusebox from 23 onwards are numbered 223 onwards in Current Flow Diagram.

Fuse Panel:

Relay Location:

1 - Load Reduction Relay
2 - Dual Horn Relay
3 - Headlight Washer System Relay
4 - Park / Neutral Position (PNP) Relay
5 - Wiper / Washer Intermittent Relay
6 - Fuel Pump (FP) Relay

Central Electric Panel - Front Side:

Relay Location:

2 - Secondary Air Injection (AIR) Relay

3-Way Relay Carrier:

Relay Location:

10 - Fog Light Relay

Fuse Location:

17 - Fuse for Secondary Air Pump

13-Way Relay Carrier:

Wire Colors

ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = violet
ge = yellow


Track Continuations
Previous Diagram 21/7 Track 63-75
Next Diagram 21/9 Track 89-99


To Refer to
37 Tracks 27-39 21/4 Track 27-39
38 Tracks 27-39 21/4 Track 27-39
106 Tracks 100-112 21/10 Track 100-112
233 Tracks 231-243 21/21 Track 231-243


Wiring Diagram

Track 76-88:

Components

G70 - Mass Air Flow (MAF) Sensor
G130 - Oxygen Sensor (OS2) Behind Three Way Catalytic Converter (TWC)
G131 - Oxygen Sensor (OS2) 2 Behind Three Way Catalytic Converter (TWC)
J220 - Motronic Engine Control Module (ECM)
V144 - Diagnosis pump for fuel system
Z29 - Heater for Lambda-probe 1
Z30 - Heater for Lambda-probe 2


Connectors

T4w - Wire Connector, 4 Point, green, in engine compartment, right
T4x - Wire Connector, 4 Point, brown, in engine compartment, right
T6aa - Wire Connector, 6 Point, brown, connector station right, A-pillar
T10 - Wire Connector, 10 Point, brown, connector station, electronics box in plenum chamber
T10m - Wire Connector, 10 Point, black, connector station, electronics box in plenum chamber


Ground Connections

200 - Ground connection (shielding), in engine compartment wiring harness