The wiring circuit from the main switch to the horn connector is faulty and must be repaired. 9 - 44 SIGNALING SYSTEM ELEC – + ELEC – + 9. The horn fails to sound. (For Europe and 2. Voltage Oceania) • Connect the pocket tester (DC 20 V) to the meter assembly coupler as shown. 1. Horn switch Positive tester probe → brown 1 • Check the horn switch for continuity. Negative tester probe → black/white 2 Refer to “CHECKING THE SWITCHES”. • Is the horn switch OK? YES NO Replace the horn G/Y G/R Br/B switch. Y/L Br B/W 2. Voltage 1 2 • Connect the pocket tester (DC 20 V) to the • Set the main switch to “ON”. horn connector at the horn terminal as • Measure the voltage (12 V) of brown 1 shown.
and black/white 2 at the meter assembly Positive tester probe → pink 1 coupler. Negative tester probe → ground • Is the voltage within specification? YES NO P B Replace the meter The wiring circuit assembly or ECU. from the main switch 1 to the meter assem- bly coupler is faulty and must be repaired. • Set the main switch to “ON”. • Push the horn switch. • Measure the voltage (DC 12 V) of pink at the horn terminal. • Is the voltage within specification? YES NO YES NO G/Y G/R Br/B Y/L Br B/W P B