9 - 34– +ELECSIGNALING SYSTEMEBS01073TROUBLESHOOTINGCheck:1. main, backup, signaling system and ignitionfuses2. battery3. main switch4. load control relay5. wiring connections(of the entire signaling system)TIP:_• Before troubleshooting, remove the followingpart(s):1. rear console• Troubleshoot with the following specialtool(s).EBS01043YES NOEBS01044YES NOEBS01041YES NOAny of the following fail to light: warninglight, brake light or an indicator light.Pocket tester90890-03112Analog pocket testerYU-03112-C1. Main, backup, signaling system and igni-tion fuses• Check the main, backup, signaling systemand ignition fuses for continuity.Refer to “CHECKING THE FUSES” inchapter 3.• Are the main, backup, signaling systemand ignition fuses OK?Replace the fuse(s).2. Battery• Check the condition of the battery.Refer to “CHECKING AND CHARGINGTHE BATTERY” in chapter 3.Minimum open-circuit voltage12.8 V or more at 20 °C (68 °F)• Is the battery OK?• Clean the batteryterminals.• Recharge or re-place the battery.3. Main switch• Check the main switch for continuity.Refer to “CHECKING THE SWITCHES”.• Is the main switch OK?Replace the mainswitch.
