Series 60 DDEC VI Troubleshooting – Section 112.2 SPN 3563/FMI 1

Section 112.2
SPN 3563/FMI 1

The typical diagnosis for this fault is the intake manifold pressure failed high.‪

Section 112.2.1
Air Intake System Check

Check as follows:‪

1. Inspect entire air intake system for leaks and/or restrictions.
   1. If air intake system leaks and/or restrictions are found, repair as necessary. Refer to "112.2.1.1 Verify Repairs" .
   2. If no air intake system leaks and/or restrictions are found, go to step 2 .
2. Connect DDDL 7.0.
3. Turn the ignition ON (key ON, engine OFF).
4. Perform the Turbo Actuator Hysteresis test.
   1. If the test fails, refer to 6.5 in the Series 60 Service Manual (6SE2007).
   2. If he test passed , go to step 5 .
5. Disconnect the Intake Manifold Pressure Sensor.
6. Inspect the Intake Manifold Pressure Sensor connector for bent, spread or corroded pins.
   1. If damage is found, repair the connector as necessary. Refer to "112.2.1.1 Verify Repairs" .
   2. If no damage is found, replace the Intake Manifold Pressure Sensor. Refer to "112.2.1.1 Verify Repairs" .

Section 112.2.1.1
Verify Repairs

Verify repairs as follows:‪

1. Turn ignition OFF.
2. Reconnect any electrical connections that were disconnected to perform the diagnosis.
3. Clear codes with DDDL 7.0 or latest version.
4. Start and bring engine up to operating temperature (over 140°F/60°C).
5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.