Vauxhall Workshop Service and Repair Manuals

Engine does not start, Trouble Code 31 is stored

Trouble-shooting:                                      Nominal Value:                     Cause of Trouble:

· Remove plug from Hall sensor                                                                                          · Lead interruption between Hall sensor

Ignition ON                                                                                                                               Ter. 1(+) and control unit K 84/Ter. 7 or

Check voltage supply and ground                                                                                       from Hall sensor Ter. 3 (ground) and

on Hall sensor plug                                                                                                                 control unit K 84/Ter. 13

with Multimeter MKM-587-A                                   11.5 to 13.5 V

0 V

· Ignition OFF

· Pull back rubber grommet and connect plug

· Measure ground with measuring tips of

Voltmeter MKM-587-A in signal lead

(Ter. 0, centre contact)

· Ignition ON

· Turn engine with ring spanner on crankshaft                                                                · Hall sensor defective

and observe display on multimeter                        Voltage alternates

between 11.5 and 13.5 V

and approx. 0 V