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.
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HOMESERVICE MANUALSACURA19983.5RL SPECIAL EDITIONREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESMULTIPLEX CONTROL SYSTEMSSYSTEM TESTSWAKE-UP FUNCTION TESTSCONFIRMING SLEEP MODE
1998 Acura 3.5RL Special Edition
Confirming Sleep Mode
1998 Acura 3.5RL Special EditionSECTION Confirming Sleep Mode
- Check for voltage on driver's and passenger's multiplex control unit wake-up communication line (Pink/Blue wire). If sleep mode is off, voltage on communication line will be zero. If sleep mode is on, battery voltage will be present on communication line.
- Measure voltage between each multiplex control unit communication line and ground. See IDENTIFYING COMMUNICATION LINE & LINE VOLTAGE table. There should be zero volts at each communication line when changing to sleep mode.
- Check parasitic draw at battery while changing to sleep mode. Parasitic draw should change from 100 milliamps to less than 100 milliamps.
IDENTIFYING COMMUNICATION LINE & LINE VOLTAGE
| Communication Line (Wire Color) | Voltage |
|---|---|
| Door-To-Driver's (BRN/YEL) | 2.4-4.2 |
| Driver's-To-Passenger's (BRN/WHT) | 4.2-6.6 |
| Passenger's-To-Driver's (RED/YEL) | 4.8-6.0 |
RENDER: 1.0x
NO RELATED
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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.