Group 38 Fault Codes, Instrument Cluster
Troubleshooting
Checking sub-systems
Supply cable
1
Requirements:
•
Breakout box with adapter con-
nected between instrument cluster
(A03) connector B and cable har-
ness.
•
Measuring voltage using a multi-
meter.
•
Ignition key in the drive position.
•
Instrument cluster connected.
Measuring
points
Nominal value
Pin B19 - B1
V
≈
5.0 V
Note: If the correct value is not
achieved, remove the voltage from the
battery and measure again.
9813194
9998699
J39200
Signal cable
2
Requirements:
•
Breakout box with adapter con-
nected between instrument cluster
(A03) connector B and cable har-
ness.
•
Measuring voltage using the multi-
meter.
•
Ignition key in the drive position.
•
Instrument cluster connected.
Measuring
points
Nominal value
Pins B7 - B1
V
max
≈
5 V
V
min
≈
0 V
9813194
9998699
J39200
Verification
Check that the fault has been repaired using the tests in
VCADS Pro (See “Tests in VCADS Pro” page 44).
45