Journey FWD V6-3.5L (2009)
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Go to 4
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Perform the PCM Verification Test. See: Computers and Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests and Associated
Procedures/Verification Tests/PCM Verification Test
No
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Test complete.
4. (F856) 5 VOLT SUPPLY CIRCUIT HIGH RESISTANCE
1. Turn the ignition off.
CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in
poor terminal to pin connection. Install PCM Pinout Box 8815 along with the Adapter 8815-1 to perform the diagnosis.
2. Using a voltmeter, perform a voltage drop test by backprobing the (F856) 5 Volt Supply circuit at the MAP Sensor harness connector and by
probing the appropriate terminal of the special tool #8815. Make sure the voltmeter leads are connected so that positive polarity is displayed on
the voltmeter.
WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts or fan. Do not
wear loose clothing. Failure to follow these instructions may result in possible serious or fatal injury.
3. Start the engine.
Is the voltage below 0.5 volts?
Yes
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Go to 5
No
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Repair the (F856) 5 Volt Supply circuit for excessive resistance.
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Perform the PCM Verification Test. See: Computers and Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests and Associated
Procedures/Verification Tests/PCM Verification Test
5. (K1) MAP SIGNAL CIRCUIT HIGH RESISTANCE
1. Turn the ignition off.
CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in
poor terminal to pin connection. Install PCM Pinout Box 8815 along with the Adapter 8815-1 to perform the diagnosis.
2. Using a voltmeter, perform a voltage drop test by backprobing the (K1) MAP Signal circuit at the MAP Sensor harness connector and by probing
the appropriate terminal of the special tool #8815. Make sure the voltmeter leads are connected so that positive polarity is displayed on the
voltmeter.
WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts or fan. Do not
wear loose clothing. Failure to follow these instructions may result in possible serious or fatal injury.
3. Start the engine.
Is the voltage below 0.5 volts?
Yes
-
Go to 6
No
-
Repair the (K1) MAP Signal circuit for excessive resistance.
-
Perform the PCM Verification Test. See: Computers and Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests and Associated
Procedures/Verification Tests/PCM Verification Test
6. (K900) SENSOR GROUND CIRCUIT HIGH RESISTANCE
1. Turn the ignition off.
