Rendezvous FWD V6-3.5L VIN L (2006)
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If decrease in pressure is not consistent, then test for intermittent and poor connections at the MAP sensor.
11. Apply vacuum with the J 23738-A until 20 inches Hg is reached. Observe the MAP sensor pressure for less than 34 kPa.
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If more than 34 kPa, test for an intermittent and for a poor connection at the MAP sensor.
12. With the ignition ON, and the engine OFF
13. Disconnect the manifold absolute pressure (MAP) sensor.
14. Measure for 4.8-5.2 volts from the 5-volt reference circuit of the MAP sensor to a good ground, with a DMM.
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If more than the specified value, then test the circuit for a short to voltage or faulty control module.
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If less than the specified value, then test the circuit for high resistance, an open, or an intermittent and poor connection or at the control
module, or a faulty control module.
15. Disconnect the MAP sensor
16. Use a scan tool and observe the MAP sensor for less than 12 kPa.
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If the MAP sensor is more than 12 kPa, then test the MAP sensor signal circuit for a short to voltage or a faulty control module.
17. Use a 3-amp fused jumper wire and connect it between the MAP sensor 5-volt reference circuit and the MAP sensor signal circuit.
18. Use a scan tool and observe the MAP sensor for more than 103 kPa.
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If the MAP sensor is less than 103 kPa, then test the MAP sensor signal circuit for high resistance or a faulty control module.
19. With the 3-amp fused jumper wire still connected between the 5-volt reference circuit of the MAP sensor and the signal circuit of the MAP
sensor, observe the MAP sensor parameter with the scan tool for 4.9V.
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If more than 4.9V, then replace the MAP sensor.
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If less than 4.9V, then test the MAP sensor signal circuit between the control module and the MAP sensor for a short to ground, an open, or
high resistance. Test for an intermittent and for a poor connection at the control module. If tests OK, then replace the control module.
20. Turn OFF the ignition and allow the control module to power down.
21. With a DMM, measure for less than 5 ohms of resistance between the low reference circuit of the MAP sensor and a good ground.
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If the resistance is more than 5 ohms, then test the circuit for a high resistance or a faulty control module.
22. If the MAP sensor circuits test normal, then replace the MAP sensor. See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Diagnostic Trouble Code Tests and Associated Procedures
REPAIR INSTRUCTIONS
IMPORTANT: Always perform the Diagnostic Repair Verification after completing the diagnostic procedure. See: Powertrain
Management/Computers and Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests
and Procedures
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Manifold Absolute Pressure (MAP) Sensor Replacement
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Control Module References See: Testing and Inspection/Programming and Relearning
REPAIR VERIFICATION
Diagnostic Repair Verification
