Operation CHARM: Car repair manuals for everyone.

Ignition Circuit Monitoring Relay

NOTE: The ignition circuit monitoring relay is fitted to the mounting plate for the LH and EZK control units.




Signals at the ignition circuit monitoring relay
1. Terminal 31 - ground
2. Ground must be present at terminal AL when the ignition is switched off.
3. Battery voltage must be present at terminals 87,15, A1 and A2 when the ignition is switched on.
4. Battery voltage must be present at terminals 61 and AL when the engine is running.
5. A voltage value of approx. 2.7 V must be present at both terminals E1 and E2 when the ignition is switched on.
6. The resistance between E1 and E2 is approx. 5 - 10 Ohms (measured at the disconnected relay socket).