Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1996 Acura 3.5RLFACTORY OEM SERVICE PROCEDURE
Checking Wake Up Communication Line
- Check continuity of wake-up communication line. If continuity exists, go to next step. If continuity does not exist, repair open in wake-up communication line.
- Check voltage between each multiplex control unit with wake-up communication lines connected and system in sleep mode and wake-up mode. There should be battery voltage in sleep mode and zero volts in wake-up mode. If voltage is not as specified, go to next step.
- Disconnect wake-up communication line connector from one multiplex control unit and check voltage. Reconnect connector and disconnect wake-up communication line connector from other end of circuit and check voltage. If voltage is not as specified at both ends of circuit, wake-up communication line is shorted to another wire or to ground. If voltage is not as specified at only one end of circuit, ensure connector and terminal are okay. If connector and terminal are okay, there may be a wake-up communication line short inside multiplex control unit.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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