E 450 V8-5.4L (2009)
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Place the headlamp switch in the HEADLAMPS ON position and observe the headlamps.
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Do the headlamps operate correctly?
Yes
GO to Z4.
No
REFER to Headlamps See: Headlamp/Testing and Inspection.
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Z4 CHECK THE IGNITION SWITCH INPUT
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Place the headlamp switch in the OFF position.
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Enter the following diagnostic mode on the scan tool: SJB DataLogger.
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Monitor the SJB ignition switch PID (IGN_O_ECU, IGN_A_ECU, IGN_R_ECU, and IGN_S_ECU) while cycling the ignition switch through all
its positions.
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Does the PID agree with the ignition switch positions?
Yes
GO to Z5.
No
REFER to Steering Column to diagnose the input from the ignition switch. See: Steering and Suspension/Steering/Steering Column/Testing and
Inspection
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Z5 CHECK THE TRANSMISSION GEAR INPUT
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Ignition ON.
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Enter the following diagnostic mode on the scan tool: PCM DataLogger.
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Monitor the PCM transmission gear status PID (TR) while placing the gear selector lever through all its positions.
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Does the PID agree with the gear selection?
Yes
GO to Z6.
No
REFER to Transmission Control Systems to diagnose the digital Transmission Range (TR) sensor input. See: Powertrain Management/Transmission
Control Systems/Testing and Inspection
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Z6 CHECK THE SJB FOR DRL CONFIGURATION
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Enter the following diagnostic mode on the scan tool: SJB Configuration.
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Check the SJB configuration and make sure the DRL feature is enabled.
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Is the SJB DRL configuration enabled?
Yes
INSTALL a new SJB. TEST the system for normal operation.
No
