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Skewed Sensor Test

  1. Service Mode active, observe the MAP sensor scan tool parameter.
  2. Use the observed MAP Sensor scan tool parameter that is closest to a value that is indicated in the first column of the table.
  3. Connect the J-23738-A:  or the J-35555:  to the port of the MAP sensor.
  4. Apply 5 in Hg of vacuum to the B74 MAP sensor, with the J-23738-A:  or the J-35555:  . The MAP sensor parameter in the first column of the table should decrease by 2.5 psi. The acceptable range is indicated in the second column of the table.
  5. Apply 10 in Hg of vacuum to the B74 MAP sensor using the J-23738-A:  or the J-35555:  . The MAP sensor parameter in the first column of the table should decrease by 5 psi. The acceptable range is indicated in the third column of the table.
Service Mode active, MAP Sensor Parameter MAP Sensor Parameter With 5 Inches of Vacuum Applied MAP Sensor Parameter With 10 Inches of Vacuum Applied
15 psi 11.5-12.5 psi 9-10 psi
14 psi 10.5-12 psi 8-9.5 psi
13 psi 10-11 psi 7.5-9 psi
12 psi 8.5-10 psi 6-7.5 psi
10 psi 7-8.5 psi 4.5-6 psi
9 psi 5.5-7 psi 3-4.5 psi
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