UK
311
MF13
Instruction
Check and note the data on the display of
the diagnostic instrument (see Axone
instruction manual) if available.
Check and note the data on the diagnostic
instrument sensor (see Axone instruction
manual).
Make sure that the sensor connector is
inserted correctly.
Disconnect the ECM and proceed to location
test 1
Disconnect the sensor and proceed to
location test 6.
Possible cause
Open or short circuit at posi-
tive battery pole (+)
Short circuit at the chassis
Fault code
P1502
P1501
AIR ENTRANCE TEMPERATURE SENSOR – WALBRO ECUA-1
Instruction
Proceed to test 2
Rectify the fault, proceed to test 7
Disconnect the temperature sensor and
proceed to test 6
Proceed to test 3
Disconnect the temperature sensor, proceed
to test 4
Proceed to test 5
Locate and rectify cable fault, proceed to
test 7
Proceed to test 5
Locate and rectify cable fault, proceed to
test 7
Result
OK
Fault
OK
Open circuit
Short circuit
OK
Open circuit
OK
Short circuit
Test
1 - Check the integrity of the terminal
and the cable:
- ECM pin 1/B2
- ECM pin 1/E5
2 - Check the resistance value:
- ECM pin 1/B2 to ECM pin 1/C5
(depending on the temperature, -
see below)
3 - Check the continuity of the cable:
- ECM pin 1/C5 to sensor pin 2
- ECM pin 1/B2 to sensor pin 1
4 - Check the cabling for short
circuiting:
- ECM pin 1/E5 to ECM pin 1/B2
LOCATION TEST
Summary of Contents for TnT1130
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Page 39: ...UK 39 MF13 S S S Ls Ls DRY NEW NEW NEW NEW L ...
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Page 51: ...UK 51 MF13 L E E L L ...
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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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Page 392: ...Produced and Printed SERIART Fabriano AN ITALY ...