Saturday, September 11, 2021

2010 Cadillac Truck SRX FWD V6-3.0L Page 656

2010 Cadillac Truck SRX FWD V6-3.0L Page 656



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)



Scan Tool Reference



Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information



Circuit/System Verification



B3205 00, B3205 39, B3205 42, B3210 00, B3210 39, B3210 42, B3215 39, B3220 39



1. Ignition ON, command the M74 window motor UP and DOWN with a scan tool. The M74 window motor should perform the UP and



DOWN functions.



Note: If the window performs the UP and DOWN functions, clear the DTC



2. Replace the M74 window motor with a M74 window motor compatible for that specific make and model vehicle.



Circuit/System Testing



B3205 4B, B3210 4B



1. Ignition ON, starting with the window completely UP, press and hold the appropriate power window switch until the window is fully open



and continue holding the switch down for approximately 5 seconds after the window is completely open.



2. Pull the power window switch up until the window is fully closed and continue holding the switch up for approximately 5 seconds after the



window is completely closed.



3. Command the window to express UP and express DOWN by pressing the window switch past the first detent and releasing and then pulling



the window switch past the first detent and releasing. The window should perform the express UP and express DOWN functions.



瀚慖f the M74 window motor does not perform as specified and the DTC resets, replace the M74 window motor.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* Front Side Door Window Regulator Replacement (See: Windows and Glass/Windows/Service and Repair/Front Side Door Window



Regulator Replacement)



* Rear Side Door Window Regulator Motor Replacement (See: Windows and Glass/Windows/Service and Repair/Rear Side Door Window



Regulator Motor Replacement)



B3410



DTC B3410 or B3420



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptors



DTC B3410 01



- Automatic Headlamp Leveling Control Module Front Axle Sensor Signal Circuit Short to Battery



DTC B3410 06



- Automatic Headlamp Leveling Control Module Front Axle Sensor Signal Circuit Low Voltage/Open



DTC B3420 01



- Automatic Headlamp Leveling Control Module Rear Axle Sensor Signal Circuit Short to Battery



DTC B3420 06



- Automatic Headlamp Leveling Control Module Rear Axle Sensor Signal Circuit Low Voltage/Open



Diagnostic Fault Information

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