•
Replace the Marelli control unit.
CAN line without signals U1602
•
Bus Off.
Error cause
•
No communication on CAN line (PIN 66 and/or PIN 80): problem on the whole network (for
example, battery cut-off or short circuited or shorted to ground).
Troubleshooting
•
Check the Marelli control unit VEHICLE connector: if not OK, restore; if OK, check the ground
insulation of the two CAN lines from PIN 66 and PIN 80 of the VEHICLE connector: if not
OK, restore cable harness; if OK, check the continuity of the two CAN lines from Marelli
control unit VEHICLE connector to the instrument panel connector: if not OK, restore the
cable harness; if OK, check that the two lines are not shorted to positive testing each of the
2 connectors (Marelli control unit and instrument panel connector) with 1 connector discon-
nected at a time and by setting the key to ON: If not OK, restore; if OK, replace the Marelli
control unit.
CAN line towards instrument panel U1701
•
no signal.
Error cause
•
No signal is received from the instrument panel.
Troubleshooting
•
Check the connector of the instrument panel: if not OK, restore; if OK, check the continuity
of the two lines from the instrument panel connector to the VEHICLE connector of the Marelli
control unit: if not OK, restore the cable harness; if OK, replace the instrument panel.
DIAGNOSTICS INSTRUMENT: ELECTRICAL ERRORS
CAN line towards instrument panel U1702 - Intermittent signal or communication error
Error cause
•
Probable bad contact in the CAN line.
Troubleshooting
•
Check the pins 66 and 80 and the Vehicle connector of the Marelli control unit. If not OK,
restore. If OK, check pins 26 and 27 and the instrument panel connector. If not OK, restore.
If OK, check overall operation of the Marelli control unit and instrument panel: replace the
affected component if you find any fault
CAN line towards ABS control unit U1712 - Intermittent signal or communication error
Error cause
•
Probable bad contact in the CAN line
Troubleshooting
Electrical system
CAPONORD 1200
ELE SYS - 190
Summary of Contents for CAPONORD 1200
Page 1: ...MANUALE STAZIONE DI SERVIZIO 2Q000020 CAPONORD 1200 ...
Page 6: ......
Page 7: ...INDEX OF TOPICS CHARACTERISTICS CHAR ...
Page 55: ...INDEX OF TOPICS SPECIAL TOOLS S TOOLS ...
Page 62: ...INDEX OF TOPICS MAINTENANCE MAIN ...
Page 73: ...INDEX OF TOPICS TROUBLESHOOTING TROUBL ...
Page 74: ...Engine Troubleshooting CAPONORD 1200 TROUBL 74 ...
Page 75: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS ...
Page 80: ...key 1 MULTIPLE CONNECTORS Electrical system CAPONORD 1200 ELE SYS 80 ...
Page 83: ...key 1 MULTIPLE CONNECTORS CAPONORD 1200 Electrical system ELE SYS 83 ...
Page 194: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE ...
Page 209: ...See also Vehicle preparation Adjusting CAPONORD 1200 Engine from vehicle ENG VE 209 ...
Page 210: ...INDEX OF TOPICS ENGINE ENG ...
Page 294: ...INDEX OF TOPICS POWER SUPPLY P SUPP ...
Page 295: ...Fuel pump Injection CAPONORD 1200 Power supply P SUPP 295 ...
Page 296: ...INDEX OF TOPICS SUSPENSIONS SUSP ...
Page 339: ...INDEX OF TOPICS CHASSIS CHAS ...
Page 353: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS ...
Page 378: ...INDEX OF TOPICS CLUTCH SYSTEM CLU SYS ...
Page 380: ...INDEX OF TOPICS COOLING SYSTEM COOL SYS ...
Page 388: ...INDEX OF TOPICS BODYWORK BODYW ...
Page 430: ...INDEX OF TOPICS ...
Page 431: ...PRE DELIVERY PRE DE ...
Page 439: ...Tyres 15 W Warning lights Water pump 383 Wiring diagram 79 ...