I tested the voltages from the TCM to the connector to the solenoids. They were what they were supposed to be. But the solenoid are activated by a pulse from the TCM as opposed to a voltage. The shop manual explains exactly how the HCM works. I have one downloaded but I can't figure out how to display the pages here. I have the images saved as screenshots but when you click on insert images here it asks for URLs.
The solenoids are activated by current. For the forward shift solenoid, battery voltage is present at Pin 1. Pin 8 is open. To activate the solenoid, the TCM connects Pin 8 to ground to complete the circuit. If you connect a test light to Pins 1 and 8, you should see a flash of light when the solenoid is to be activated.
The solenoids are activated by current. For the forward shift solenoid, battery voltage is present at Pin 1. Pin 8 is open. To activate the solenoid, the TCM connects Pin 8 to ground to complete the circuit. If you connect a test light to Pins 1 and 8, you should see a flash of light when the solenoid is to be activated.
Did you test solenoid resistance?
I tested the solenoid resistance but I did it wrong. I'll re do it asap. I've been waiting for the new oil filter I ordered. It was supposed to be here Tuesday. I got it yesterday, Friday. Ticker's been acting up so I haven't been in a big hurry to mess with the bike lately. I plan on working on it tomorrow.
The solenoids are activated by current. For the forward shift solenoid, battery voltage is present at Pin 1. Pin 8 is open. To activate the solenoid, the TCM connects Pin 8 to ground to complete the circuit. If you connect a test light to Pins 1 and 8, you should see a flash of light when the solenoid is to be activated.
Did you test solenoid resistance?
Worked on the bike for a few hours this morning. Drained the oil and replaced the engine filter. I already replaced the HCM filter a week or so ago so I just drained the oil that was in the filter out and reinstalled it. I took the oil pressure regulator out while I had the oil drained. It looked fine so I reinstalled it. Checked the voltage to the solenoids. With the ignition on it reads 12 volts between pin 1 through 4 and ground. 0 volts between pins 5 through 8 and ground. Between pin 1 and 8 I read 12 volts. 2 and 7 12 volts. 3 and 6 12 volts. 4 and 5 12 volts. But when I check them with the tester it doesn't light. I tried manipulation the paddle shift. Upshift downshift nothing. Light never came on Between any of the pins 1 through 4 and ground the light comes on with ignition on. I couldn't start the bike because I had no oil. I'll pick some up tomorrow and try it with the engine running. Still have to redo the solenoid resistance test.
Originally Posted by Cadaverdog
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