ME9 / P0238 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Malfunction Indicator Lamp
Charge Air Absolute Pressure Sensor Circuit. Short to B+.
Fault symptom
Malfunction Indicator Lamp
On-board diagnosis
Type of diagnosis:
Enable criteria:
Battery voltage must be between 10 - 18 V. |
NONE of the following DTCs must be detected: |
Fault criteria:
When the signal on the control module input corresponds to pressure greater than 300 Pa for more than 2 seconds. |
OK report:
Fault criteria NOT fulfilled. |
Fault handling:
(See section Fault handling III, "Other emission-related components and functions" for more information.) |
Checking the wiring harness
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.
Diagnostic help
Diagnosis regards:
Electrical fault in connecting leads or component. |
Functions in the diagnostic tool related to the fault:
Absolute pressure sensor, charge air |
(See also description of readings/activations in diagnostic tool) |