21/5 Track 40-51

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 21/4 Track 27-39
Next Diagram 21/6 Track 52-62


To Refer to
65 Tracks 63-75 21/7 Track 63-75
213 Tracks 208-217 21/19 Track 208-217
217 Tracks 208-217 21/19 Track 208-217
221 Tracks 218-230 21/20 Track 218-230
223 Tracks 218-230 21/20 Track 218-230


Wiring Diagram

Track 40-51:

Components

E87 - A/C Control Head
G2 - Engine Coolant Temperature (ECT) Sensor
G18 - Temperature Sensor II
G61 - Knock Sensor (KS) 1
G62 - Engine Coolant Temperature (ECT) Sensor
G66 - Knock Sensor (KS) 2
J220 - Motronic Engine Control Module (ECM)


Connectors

T3n - Wire Connector, 3 Point, blue, in engine compartment, left
T3o - Wire Connector, 3 Point, blue, in engine compartment, right
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
T10v - Wire Connector, 10 Point, brown, connector station right, A-pillar
T10z - Wire Connector, 10 Point, yellow, connector station, electronics box in plenum chamber


Ground Connections

83 - Ground connection -1-, in right front wiring harness
220 - Ground connection (sensor ground), in engine compartment wiring harness


Note:

* - Automatic Transmission Only