Bosch Motronic Systems12 Initiation of diagnosis. n/a13 Oxygen sensor No change in voltage/open circuit.14 Coolant Temperature Sensor (CTS) Low voltage15 Coolant Temperature Sensor (CTS) High voltage16 Knock sensor 1 No change in voltage17 Knock sensor 2 No change in voltage18 Knock control unit No signal, Engine Control Unit (ECU) fault19 RPM signal (crankshaft sensor) Incorrect signal21 Throttle position sensor High voltage22 Throttle position sensor Low voltage23 Knock sensor module n/a24 Veh
Put this together for my 20XE from a service manual. Found the entry for the 2.5 on the Corsa forum. Hope it's of some use!
Mods/Admins: Feel free to make additions / extensions / corrections.
NB: The 4.1 version is first, followed by the later 2.5 catalysed version that also has a dizzy. Not for coilpack / dispak setups per se (sorry Greg!), but these were similar to the 2.5 version which follows the 4.1 version.
NB: Early 20XE's - These first valvers may have different loom c