Thursday, March 26, 2020

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 1460

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 1460



Test prerequisite



- Coolant temperature< 80锟斤拷 C



- Charger connected(The battery voltage must be higher than 12.5 V.)



- Ignition ON



- Engine not running



- Vehicle stationary



- There is no fault code present for component B11/4 (Coolant temperature sensor).



- The fuses of component M4/7 (Engine and AC electric suction fan with integrated control) are OK.



Actual values:



- Coolant temperature:Warning! Communication with ECU required.



Continue with button F2



2366



Component M4/7 (Engine and AC electric suction fan with integrated control) has a malfunction.



Possible cause:



- Heat management



Affected functions:



- Engine diagnosis



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Test 1: Check component M4/7 (Engine and AC electric suction fan with integrated control).



1. Check component M4/7 (Engine and AC electric suction fan with integrated control).



Test 1.1: Check component M4/7 (Engine and AC electric suction fan with integrated control) by means of actuation.



Test 1.2: Test PWM signal for operating the suction fan.



1.1. Check component M4/7 (Engine and AC electric suction fan with integrated control) by means of actuation.



Check component M4/7 (Engine and AC electric suction fan with integrated control) by means of actuation.



Test prerequisite



- Coolant temperature< 80锟斤拷 C



- Charger connected(The battery voltage must be higher than 12.5 V.)

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