UK
305
MF13
8.4 SUPPLEMENTARY DIAGNOSIS
The following tables, if used correctly, help to identify a fault in the system once
the diagnostic code of the problem has been stored.
NOTE:
1 BLACK CONNECTOR ECU
2 GREY CONNETOR ECU
Instruction
Make sure that the relative injector
connectors are correctly inserted.
Disconnect the ECM and proceed to location
test 1.
Possible cause
Flooding indicates short
circuit.
Open or short circuit –
injectors 2/1/3
Fault code
P1201/02/03
INJECTORS – WALBRO ECUA - 1
Instruction
Proceed to test 2
Repair the fault, proceed to test 6
Disconnect the relative injector and proceed
to test 3
Proceed to test 4
Disconnect the relative injector and proceed
to test 5
Proceed to test 7
Locate and repair the cable fault, proceed
to test 7
Result
Ok
Fault
from15.5 a 16.3
Open circuit
Short circuit
Ok
Short circuit
Test
1 - Check the integrity of the terminal
and the cable:
- ECM 1/BI pin
- ECM 1/CI pin
- ECM 1/B2 pin
2 - Check the value of the resistance
red/white safety relay:
- ECM pin 1/RO/BI at ECM pin 1/C1
(injector 2)
- ECM pin 1/RO/BI at ECm pin 1/B1
(injector 1)
- ECM pin 1/RO/BI at ECM pin 2/B8
(injector 3)
3 - Check whether the cable is short
circuited:
- ECM Pin 1/B1at the chassis
- ECM Pin 1/C1 at the chassis
- ECM Pin 2/B8 at the chassis
LOCATION TEST
NOTE:
1 BLACK CONNECTOR ECU
2 GREY CONNETOR ECU
Summary of Contents for TnT1130
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Page 192: ...UK 192 MF13 Remove the five screws 6 Remove screw 7 Remove the two screws 8 ...
Page 193: ...UK 193 MF13 Remove screw 9 Remove the two screws 10 Loosen and remove screw 11 ...
Page 199: ...UK 199 MF13 Remove the toothed wheel 2 Remove the roller cage 3 Remove the screws 4 ...
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Page 318: ...UK 318 MF13 E E E E Electrical P P P P Plant 9 ELECTRICAL PLANT ...
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