Manufacturer Code Charts: 159700

The signal from component B19/11 (Temperature sensor upstream of turbocharger) is implausible.


Possible cause:

- B19/11 (Temperature sensor upstream of turbocharger)
Affected functions:

- Power generation

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Test 1: Check component B19/11 (Temperature sensor upstream of turbocharger).

1. Check component B19/11 (Temperature sensor upstream of turbocharger).
Voltage supply of component B19/11 (Temperature sensor upstream of turbocharger)
Figure legend

- B19/11 (Temperature sensor upstream of turbocharger)
- B19/11x1 (Temperature sensor connector upstream of turbocharger)
Special tool

- Adapter cable220 589 00 99 37
Test sequence

- Switch off ignition.
- Detach coupling at component B19/11 (Temperature sensor upstream of turbocharger).
- Connect adapter cable no. 220 589 00 99 37 to engine wiring harness B19/11 (Temperature sensor upstream of turbocharger).
- Measure direct voltage with multimeter between sockets (B19/11x1) 1 and (B19/11x1) 2
- Switch on ignition.
Specified value

- Voltage[4.75...5.25] V
Question

- Is the measurement value OK?







YES
Check signal lines on component B19/11 (Temperature sensor upstream of turbocharger).
Test prerequisite

- The power supply of component B19/11 (Temperature sensor upstream of turbocharger) is OK.
Figure legend

- B19/11 (Temperature sensor upstream of turbocharger)
- B19/11x1 (Temperature sensor connector upstream of turbocharger)
Special tool

- Adapter cable220 589 00 99 37
- Test cable 271 589 00 63 00
- Socket box 129 589 00 21 00
Test sequence

- Switch off ignition.
- Detach coupling at component B19/11 (Temperature sensor upstream of turbocharger).
- Connect adapter cable no. 220 589 00 99 37 to engine wiring harness B19 (Catalytic converter temperature sensor).
- Connect 126-pole socket box at engine wiring harness.
- Measure resistance with multimeter between socket (M.63) 63 of the 126-pole socket box tester and (B19/11x1) 1
- Measure resistance with multimeter between socket (M.84) 84 of the 126-pole socket box tester and (B19/11x1) 2
Specified value

- Resistance in Ohms< 1ohms
Question

- Is the measurement value OK?







YES
Check internal resistance of component B19/11 (Temperature sensor upstream of turbocharger).
Test prerequisite

- Please only perform this test when engine is cold.
Figure legend

- B19/11 (Temperature sensor upstream of turbocharger)
- B19/11x1 (Temperature sensor connector upstream of turbocharger)
Special tool

- Adapter cable220 589 00 99 37
Test sequence

- Switch off ignition.
- Connect adapter cable to component B19 (Catalytic converter temperature sensor).
- Test resistance.
- Measure resistance with multimeter between sockets (B19/11x1) 1 and (B19/11x1) 2
Specified value

- Resistor 25° C[215 ... 225]ohms
- Resistor 50° C[235 ... 245]ohms
Question

- Are the measurement values OK?







YES
The measurement value is OK.Inspect wiring and plug connections between N3/9 (CDI control unit) and control unit B19/11 (Temperature sensor upstream of turbocharger) for corrosion, loose contacts and damage.Test wiring and plug connections between control module N3/9 (CDI control unit) and B19/11 (Temperature sensor upstream of turbocharger) for Short circuit and Open circuit, repair or replace if necessary.Continue with button F2

Test wiring/ plug connections ?
Question

- Was the line test OK?


YES
The line test was OK.Replace component B19/11 (Temperature sensor upstream of turbocharger).

NO
The line test was not OK.Possible cause and remedy

- Repair wiring.


NO
The measurement value is not OK.Replace component B19/11 (Temperature sensor upstream of turbocharger).End of test

NO
The measurement value is not OK.Inspect wiring and plug connections between N3/9 (CDI control unit) and control unit B19/11 (Temperature sensor upstream of turbocharger) for corrosion, loose contacts and damage.Test wiring and plug connections between control module N3/9 (CDI control unit) and B19/11 (Temperature sensor upstream of turbocharger) for Short circuit and Open circuit, repair or replace if necessary.Continue with button F2

Test wiring/ plug connections ?
Question

- Was the line test OK?


YES
Check internal resistance of component B19/11 (Temperature sensor upstream of turbocharger).
Test prerequisite

- Please only perform this test when engine is cold.
Figure legend

- B19/11 (Temperature sensor upstream of turbocharger)
- B19/11x1 (Temperature sensor connector upstream of turbocharger)
Special tool

- Adapter cable220 589 00 99 37
Test sequence

- Switch off ignition.
- Connect adapter cable to component B19 (Catalytic converter temperature sensor).
- Test resistance.
- Measure resistance with multimeter between sockets (B19/11x1) 1 and (B19/11x1) 2
Specified value

- Resistor 25° C[215 ... 225]ohms
- Resistor 50° C[235 ... 245]ohms
Question

- Are the measurement values OK?







YES
The measurement value is OK.Inspect wiring and plug connections between N3/9 (CDI control unit) and control unit B19/11 (Temperature sensor upstream of turbocharger) for corrosion, loose contacts and damage.Test wiring and plug connections between control module N3/9 (CDI control unit) and B19/11 (Temperature sensor upstream of turbocharger) for Short circuit and Open circuit, repair or replace if necessary.Continue with button F2

Test wiring/ plug connections ?
Question

- Was the line test OK?


YES
The line test was OK.Replace component B19/11 (Temperature sensor upstream of turbocharger).

NO
The line test was not OK.Possible cause and remedy

- Repair wiring.


NO
The measurement value is not OK.Replace component B19/11 (Temperature sensor upstream of turbocharger).End of test

NO
The line test was not OK.Possible cause and remedy

- Repair wiring.


NO
The measurement value is not OK.Inspect wiring and plug connections between N3/9 (CDI control unit) and control unit B19/11 (Temperature sensor upstream of turbocharger) for corrosion, loose contacts and damage.Test wiring and plug connections between control module N3/9 (CDI control unit) and B19/11 (Temperature sensor upstream of turbocharger) for Short circuit and Open circuit, repair or replace if necessary.Continue with button F2

Test wiring/ plug connections ?
Question

- Was the line test OK?


YES
Check signal lines on component B19/11 (Temperature sensor upstream of turbocharger).
Test prerequisite

- The power supply of component B19/11 (Temperature sensor upstream of turbocharger) is OK.
Figure legend

- B19/11 (Temperature sensor upstream of turbocharger)
- B19/11x1 (Temperature sensor connector upstream of turbocharger)
Special tool

- Adapter cable220 589 00 99 37
- Test cable 271 589 00 63 00
- Socket box 129 589 00 21 00
Test sequence

- Switch off ignition.
- Detach coupling at component B19/11 (Temperature sensor upstream of turbocharger).
- Connect adapter cable no. 220 589 00 99 37 to engine wiring harness B19 (Catalytic converter temperature sensor).
- Connect 126-pole socket box at engine wiring harness.
- Measure resistance with multimeter between socket (M.63) 63 of the 126-pole socket box tester and (B19/11x1) 1
- Measure resistance with multimeter between socket (M.84) 84 of the 126-pole socket box tester and (B19/11x1) 2
Specified value

- Resistance in Ohms< 1ohms
Question

- Is the measurement value OK?







YES
Check internal resistance of component B19/11 (Temperature sensor upstream of turbocharger).
Test prerequisite

- Please only perform this test when engine is cold.
Figure legend

- B19/11 (Temperature sensor upstream of turbocharger)
- B19/11x1 (Temperature sensor connector upstream of turbocharger)
Special tool

- Adapter cable220 589 00 99 37
Test sequence

- Switch off ignition.
- Connect adapter cable to component B19 (Catalytic converter temperature sensor).
- Test resistance.
- Measure resistance with multimeter between sockets (B19/11x1) 1 and (B19/11x1) 2
Specified value

- Resistor 25° C[215 ... 225]ohms
- Resistor 50° C[235 ... 245]ohms
Question

- Are the measurement values OK?







YES
The measurement value is OK.Inspect wiring and plug connections between N3/9 (CDI control unit) and control unit B19/11 (Temperature sensor upstream of turbocharger) for corrosion, loose contacts and damage.Test wiring and plug connections between control module N3/9 (CDI control unit) and B19/11 (Temperature sensor upstream of turbocharger) for Short circuit and Open circuit, repair or replace if necessary.Continue with button F2

Test wiring/ plug connections ?
Question

- Was the line test OK?


YES
The line test was OK.Replace component B19/11 (Temperature sensor upstream of turbocharger).

NO
The line test was not OK.Possible cause and remedy

- Repair wiring.


NO
The measurement value is not OK.Replace component B19/11 (Temperature sensor upstream of turbocharger).End of test

NO
The measurement value is not OK.Inspect wiring and plug connections between N3/9 (CDI control unit) and control unit B19/11 (Temperature sensor upstream of turbocharger) for corrosion, loose contacts and damage.Test wiring and plug connections between control module N3/9 (CDI control unit) and B19/11 (Temperature sensor upstream of turbocharger) for Short circuit and Open circuit, repair or replace if necessary.Continue with button F2

Test wiring/ plug connections ?
Question

- Was the line test OK?


YES
Check internal resistance of component B19/11 (Temperature sensor upstream of turbocharger).
Test prerequisite

- Please only perform this test when engine is cold.
Figure legend

- B19/11 (Temperature sensor upstream of turbocharger)
- B19/11x1 (Temperature sensor connector upstream of turbocharger)
Special tool

- Adapter cable220 589 00 99 37
Test sequence

- Switch off ignition.
- Connect adapter cable to component B19 (Catalytic converter temperature sensor).
- Test resistance.
- Measure resistance with multimeter between sockets (B19/11x1) 1 and (B19/11x1) 2
Specified value

- Resistor 25° C[215 ... 225]ohms
- Resistor 50° C[235 ... 245]ohms
Question

- Are the measurement values OK?







YES
The measurement value is OK.Inspect wiring and plug connections between N3/9 (CDI control unit) and control unit B19/11 (Temperature sensor upstream of turbocharger) for corrosion, loose contacts and damage.Test wiring and plug connections between control module N3/9 (CDI control unit) and B19/11 (Temperature sensor upstream of turbocharger) for Short circuit and Open circuit, repair or replace if necessary.Continue with button F2

Test wiring/ plug connections ?
Question

- Was the line test OK?


YES
The line test was OK.Replace component B19/11 (Temperature sensor upstream of turbocharger).

NO
The line test was not OK.Possible cause and remedy

- Repair wiring.


NO
The measurement value is not OK.Replace component B19/11 (Temperature sensor upstream of turbocharger).End of test

NO
The line test was not OK.Possible cause and remedy

- Repair wiring.


NO
The line test was not OK.Possible cause and remedy

- Repair wiring.