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1999 Mercedes Benz Truck ML 430 (163.172) V8-4.3L (113.942)
Vehicle Level Powertrain Management Computers and Control Systems Testing and Inspection Diagnostic Trouble Code Tests and Associated Procedures P Code Charts P0410 Diagnostic Trouble Code (DTC) Information
Diagnostic Trouble Code (DTC) Information
P0410Notes
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Notes
Notes
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1999 Mercedes Benz Truck ML 430 (163.172) V8-4.3L (113.942)
Vehicle Level Powertrain Management Computers and Control Systems Testing and Inspection Diagnostic Trouble Code Tests and Associated Procedures P Code Charts P0410 Secondary Air Injection : Malfunction (Functional Chain)
Secondary Air Injection : Malfunction (Functional Chain)Notes
Secondary Air Injection : Malfunction (Functional Chain)
Test 1 Test secondary air injection (function chain). (only (USA), EURO 3)
Test 2 Check component M33 (electric air pump). (only (USA), EURO 3)
Test 3 Check component Y32 (Air pump switchover valve). (only (USA), EURO 3)
1 Test secondary air injection (function chain). (only (USA), EURO 3)
Test sequence
Ignition ONTest secondary air injection (function chain).(Actuate with key F2.)
Note: Component M4/3 (engine/AC electric suction fan) runs with an on/off ratio of 50 % during the actuations for safety reasons.
Note! Communication with ECU required.
2 Check component M33 (electric air pump). (only (USA), EURO 3)
Test 2-1 Test actuation of component M33 (electric air pump)
Test 2-2 Test voltage supply of component M33 (electric air pump)
Test 2-3 Check component K40/7kN (Air pump relay)
2-1 Test actuation of component M33 (electric air pump)
Test requirement
Engine at idle speedActuate component M33 (electric air pump).(Actuate with key F2.)
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Note: Component M4/3 (engine/AC electric suction fan) runs with an on/off ratio of 50 % during the actuations for safety reasons.
Note! Communication with ECU required.
2-2 Test voltage supply of component M33 (electric air pump)
Figure legend
003 MultimeterM33 (electric air pump)
Test requirement
Actuation is not okay.
Test sequence
Switch off ignition.(M33) 2 <--> 1 (M33)Switch on ignition.Actuate with key F2.
Specified value
Voltage[11.0...14.5] V
Note! Communication with ECU required.
2-3 Check component K40/7kN (Air pump relay)
Test current consumption of component K40/7kN (Air pump relay).
Test requirement
Fault code 'P1453' present
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Test sequence
Switch off ignition.Connect socket box to component N3/10 (ME-SFI control module).(A.3) 3 <--> 20 (C.28)Switch on ignition.
Specified value
Amperage [0.1...0.3] A
Question
Is the measured value okay? Yes
The measured value is o.k. ** End of Test **NoThe measured value is not o.k.Possible cause and remedy
Leads to component K40/7kN (Air pump relay)K40/7kN (Air pump relay)
** End of Test **
3 Check component Y32 (Air pump switchover valve). (only (USA), EURO 3)
Test 3-1
Test actuation of component Y32 (Air pump switchover valve)
Test 3-2
Test current consumption of component Y32 (Air pump switchover valve)
3-1 Test actuation of component Y32 (Air pump switchover valve)
Test sequence
Ignition ONActuate component Y32 (Air pump switchover valve).(Actuate with key F2.)
Note: Component M4/3 (engine/AC electric suction fan) runs with an on/off ratio of 50 % during the actuations for safety reasons.
Note! Communication with ECU required.
3-2 Test current consumption of component Y32 (Air pump switchover valve)
Test requirement
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Actuation is not okay.
Test sequence
Switch off ignition.Connect socket box to component N3/10 (ME-SFI control module).(A.3) 3 <--> 66 (E.10)Switch on ignition.
Specified value
Amperage [0.3...0.5] A
Question
Is the measured value okay? Yes
The measured value is o.k. ** End of Test **NoThe measured value is not o.k.Possible cause and remedy
Voltage supply of component Y32 (Air pump switchover valve) (Wiring diagrams)Leads to component Y32 (Air pump switchover valve)Y32 (Air pump switchover valve)
** End of Test **
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1999 Mercedes Benz Truck ML 430 (163.172) V8-4.3L (113.942)
Vehicle Level Powertrain Management Diagrams Electrical Diagrams
Electrical DiagramsNotes
ME-SFI Fuel Injection & Ignition System PE07.61-U-2000U - Engine Block Harness
Diagram, Part 1
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Diagram, Part 2
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Diagram, Part 3
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Diagram, Part 5
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Diagram, Part 5
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Diagram, Part 6
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Diagram, Part 7
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Diagram, Part 8
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Diagram, Part 9
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Component Description/Coordinates, A16/1 - T1/8
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Component Description/Coordinates, W11/3 - Z51/10
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