RD 12/RD 12A Honda Engine Starting Systemwc_tx000693gb.fm 393.6 Checking the Neutral RelayPrerequisites Multimeter Fully-charged (approximately 12V) battery Functioning 20A main fuse Functioning crank relay Functioning neutral switchBackground The neutral relay relays battery voltage to the starter solenoid.Procedure Follow the procedure below to check the neutral relay.1. Open the hood and locate the neutral relay (a).2. Place the key switch in the START position.3. Check the voltage between terminal 30 (red wire #35) and ground. This testmay be done at the plug (b) with it disconnected from the neutral relay.Is battery voltage (approximately 12V) measured?4. Check the voltage between terminal 86 (black wire #31) and ground. This testmay be done at plug (b) with it disconnected from the neutral relay.Is battery voltage (approximately 12V) measured?5. Check the voltage between terminal 87 (black wire #20) and ground. For thistest, plug (b) must be connected to the crank relay. Position the plug as shownto allow access to terminal 87.Is battery voltage (approximately 12V) measured?The neutral relay has now been checked.Yes ____ No ____Continue Repair red wire #35.Yes ____ No ____Continue Repair red wire #31.Yes ____ No ____The neutral relay is OK. The neutral relay has failed; replace it.wc_gr00391886853087R 35B 20B 31ab
