21/9 Track 89-99

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 21/8 Track 76-88
Next Diagram 21/10 Track 100-112


To Refer to
27 Tracks 27-39 21/4 Track 27-39
35 Tracks 27-39 21/4 Track 27-39
67 Tracks 63-75 21/7 Track 63-75
103 Tracks 100-112 21/10 Track 100-112
222 Tracks 218-230 21/20 Track 218-230


Wiring Diagram

Track 89-99:

Components

E87 - A/C Control Head
G39 - Heated Oxygen Sensor (HO2S) 1
G108 - Heated Oxygen Sensor (HO2S) 2
J220 - Motronic Engine Control Module (ECM)
J234 - Airbag Control Module
Z19 - Oxygen Sensor (O2S) l Heater
Z28 - Oxygen Sensor (O2S) II Heater


Connectors

T4y - Wire Connector, 4 Point, black, in engine compartment, right
T4z - Wire Connector, 4 Point, black, in engine compartment, left
T10z - Wire Connector, 10 Point, yellow, connector station, electronics box in plenum chamber
T16 - Wire Connector 16 Point, center console, rear (diagnostic connection)


Ground Connections

200 - Ground connection (shielding), in engine compartment wiring harness
A76 - Connector (K-diagnosis wire), in instrument panel wiring harness