Hello,
I don't want to start another topic because I have a similar problem, but I have some doubts.
The problem is with the Volvo S40 II 2.0D so it's the same as the V50.
I found a wiring diagram which is attached.
Of course, the problem concerns the lack of reaction of the starter to the key position in position III. After turning the key to position 3, I hear the sound of the microswitch in the ignition switch, so I have doubts about its damage. Checks I made:
- There is no 12 V voltage on the starter solenoid coil during start-up. I unzipped the 64/90 cube and measured the voltage there.
- After turning the key to position II and applying voltage to the cube 64/90 (electromagnet) directly from the battery, the car starts and can be driven. I drove about 5 km.
- The connection between the block 64/90 and pin 5 of the R13 relay is OK.
- There is 12 V on pin 3 of relay R13
- There is no voltage on pins 1 and 2 of relay R13. Both are around 0.15 volts at start up.
I presume that this is the fault of the ignition, because the diagram shows that pin 50 of the ignition is connected directly to pin 1 of the relay. It's the ignition that gives 12 V there, right?
Attachments:
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Rozrusznik.pdf
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