Vauxhall Workshop Service and Repair Manuals

Trouble

Code

Information Sensor

Cause of Fault

Remedy in F0:

DATA LIST

Trouble Code Storage when...

42

EST LINE COIL

CYL 1+4 VOLTAGE

HIGH

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·   The control unit has determined a voltage level at output Ter. D 10 to ignition module (EST lead) during starting which does not correspond to the nominal value (6 consecutive 12 V to 0 V transitions were not registered)

·   (Short circuit to battery voltage)

If trouble code 42 was recognized, the EST lead (D 10) is switched off.

Note:

A fault in the control unit programming means that the TECH 1 display changes between "TC PRESENT" and " TC NOT PRESENT " as soon as a fault is recognized. If trouble code 42 was recognized, the system telltale is switched on.

If trouble code 42 was recognized, the system telltale remains switched on until the ignition is switched off.