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Home >> Suzuki >> 2007 >> Reno Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Diagnostic Introduction >> Manifold Absolute Pressure Check >> Troubleshooting
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Manifold Absolute Pressure Check: Troubleshooting

TROUBLESHOOTING CHART

Step Action Value (s) Yes No
1
  1. Turn the ignition OFF.
  2. Connect a scan tool to the Data Link Connector (DLC).
  3. Turn the ignition ON.
  4. Compare the Manifold Absolute Pressure (MAP) sensor parameter reading from the scanner with that from a known good vehicle.

Is the difference in the two parameter readings less than the value specified?		 10 kPa Go to Step 2 Go to Step 5
2
  1. Turn the ignition OFF.
  2. Connect a scan tool to the DLC.
  3. Disconnect the MAP sensor vacuum line.
  4. Connect a hand vacuum pump to the MAP sensor.
  5. Turn the ignition ON.
  6. Note the MAP sensor parameter.
  7. Apply 34 kPa (10 in. Hg) of vacuum to the MAP sensor and note the parameter change.

Is the difference in parameter readings more than the value specified?		 25 kPa System OK Go to Step 3
3 Inspect the MAP sensor connector terminals.
Is the problem found?		 - Go to Step 4 Go to Step 5
4 Repair the MAP sensor connector terminals as needed.
Is the repair complete?		 - System OK -
5 Replace the MAP sensor.
Is the repair complete?		 - System OK -
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