Turbo Pressure Gauge

Turbo Pressure Gauge

Fault symptoms
Turbo pressure gauge inoperative.

Condition
No diagnostic trouble codes in Trionic.

Diagnostic help
A reading of the current intake manifold pressure can be obtained with the diagnostic tool.
The turbo pressure gauge can also be activated with the diagnostic tool.

Check the wiring harness
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short-circuits in the leads. Observe the multimeter, test lamp or diagnostic tool during the test.

Diagnostic procedure
See Fault diagnosis, diagnostic trouble codes, "B1725." B1725