GM Service Manual Online
For 1990-2009 cars only
Table 1: Automatic Level Control Sensor
Table 2: Rear Suspension Leveling Air Compressor Relay K19

Automatic Level Control Sensor


Object Number: 193762  Size: CH

Connector Part Information

ZPF 8-1

Pin

Wire Color

Circuit No.

Function

Component Connector Cavity

DTC(s) Affected

Possible Symptoms From a Faulty Cirtuit

A

RED

A105

B+ from fuse #27

--

DTC 02, DTC 03

    • All fault detections by the sensor disabled.
    • compressor relay and exhaust solenoid valve low side outputs disabled.
    • Leveling system disabled.

B

BRN/WHT

XM900

Serial data (Class 2)

8

--

--

C

YEL

B25

Rear suspension relay control

1

DTC 04, DTC 05

    • Compressor relay output disabled.
    • Leveling system disabled.

D

WHT

M101

Compressor exhaust control

A

DTC 06, DTC 07

    • Exhaust solenoid output disabled.
    • Leveling system disabled.

E

BLK

F210

Ground to G103

--

--

--

F

BLU/RED

PA909

Vehicle speed signal input

23

--

--

G

BRN/PPL

XY1

Warning indicator control

21

DTC 08, DTC 09

    • Warning indicator ON at all times.
    • Warning indicator output control disabled.

H

BRN

X300

B+ from fuse #15

--

--

--

Rear Suspension Leveling Air Compressor Relay K19


Object Number: 194415  Size: CH

Connector Part Information

ZFW 5-20

Pin

Wire Color

Circuit No.

Function

1

YEL

B56

Relay control signal

2

NOT USED

3

BRN

X470

B+ from fuse #15

4

BRN

X43

Motor ON signal

5

RED

A44

B+ from fuse #27