PIN 42, "URGENT SERVICE" TURNS ON IN THE INSTRUMENT PANEL AND THE CON-
TROL UNIT INDICATES ERRORS RELATED TO THE FRONT AND REAR THROTTLE
BODY)
YES, go to 3; NO, go to 6
•
3. CHECK CONTINUITY WITH GROUND CONNECTION AT PIN 5 and 16
If there is continuity, go to 4; if there is not continuity, restore ground connection on the engine
front part or restore cable harness
•
4. REPLACE CONTROL UNIT, SEE "ELECTRICAL SYSTEM/CHECK AND CONTROLS/
CONTROL UNIT " THE PART RELATED TO NEW CONTROL UNIT ACTIVATION PRO-
CEDURE - END
•
5. CHECK CONTINUITY red/blue CABLE up to secondary fuse D and red/white cable from
secondary fuse to 30 A main fuse CHECKING ALSO THE ENGINE - VEHICLE CABLE
HARNESS CONNECTOR - END
•
6. CHECK CONTINUITY OF RED/BROWN CABLE FROM PIN 40 TO PROTECTION RE-
LAY 19 CHECKING ENGINE - VEHICLE ELECTRICAL SYSTEM CONNECTOR
If there is continuity, go to PROTECTION RELAY 19 CHECK; if there is not continuity, restore
cable harness - END
See also
Control unit
CHECK FUEL PUMP
•
1. WITH KEY SET TO "ON", DISCONNECT THE CONNECTOR AND CHECK THAT
THERE IS BATTERY VOLTAGE ON PIN 1
YES, go to 2; NO, go to 4
•
2. CHECK FUEL PUMP CONNECTOR AND CHECK THAT AT PIN 2 THERE IS GROUND
CONTINUITY
YES, go to 3; NO, go to 5
•
3. CHECK ON CONNECTOR ON THE PUMP SIDE, THE ELECTRICAL CHARACTERIS-
TICS: between PIN 1 and PIN 2 there should be a resistance of 0.5 - 1 ohm - END
•
4. CHECK CONTINUITY OF ORANGE/GREEN CABLE FROM PUMP CONNECTOR TO
INJECTION RELAY 33 AND RESTORE CABLE HARNESS - END
•
5. RESTORE GROUND CONNECTION - END
DIAGNOSIS INSTRUMENT CONNECTION CHECK
Troubleshooting RSV4 R
TROUBL - 88
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