Group 38 Fault Codes, Instrument Cluster Troubleshooting
Checking sub-systems
Ground cable
1
Requirements:
•
Breakout box with adapter con-
nected between instrument cluster
connector B and cable harness.
•
Measuring resistance using a
multimeter.
•
Ignition off.
•
Instrument cluster connected.
Measuring
points
Nominal value
Pin B1- ground R ≈ 0
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
connector B and cable harness.
•
Measuring voltage using the multi-
meter.
•
Ignition key in the drive position.
•
Instrument cluster connected.
Measuring
points
Nominal value
Pins B12 - B1 V
max
≈ 5V
V
min
≈ 0V
9813194
9998699
J39200
Verification
Check that the fault has been repaired using the tests in
VCADS Pro (See “Tests in VCADS Pro” page 41).
42
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