Monitor Description
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The ECM monitors the No. 1 turbo pressure sensor voltage and uses this value to calculate the intake manifold pressure. When the No. 1 turbo pressure sensor output voltage deviates from the normal operating range, the ECM interprets this as a malfunction in the No. 1 turbo pressure sensor circuit, illuminates the MIL and stores a DTC.
Example:
If the No. 1 turbo pressure sensor output voltage is higher than 4.2 V for 3 seconds or more, the ECM stores this DTC.