Check Remote Amber Light
electrical
Description
There is a problem in the alarm amber light circuit (LB), shorted when energized or open at other times, and the unit alarms only.
Activation Conditions
A problem has been detected in the alarm (amber) light circuit (LB). If this alarm is activated while the circuit is energized, the circuit is detected shorted. If this alarm is activated at any other time, the circuit is detected open.
Unit Behavior
Alarm only.
Reset Conditions
Auto reset when the circuit is normal, or alarm may be manually reset using the display mounted keys or by turning the unit off, then back on again.
Corrective Actions
1. Check Light Bar Wiring: Inspect light bar and connector. No damage to light bar. No damage, moisture, or corrosion in connector. Place the SROS in the OFF position and check: Fuses F5 and F11 in the PCM. Continuity of the wiring from PCM-7 to LB-B. Continuity of the wiring from LB-G -including SP-2 to ground. Continuity of the wiring from LB-H to 3MM-7. Verify correct fuse, see Figure 1.7. Check connectors and wiring between terminals for damage, moisture or corrosion. 2. Check Light Bar: Check operation of 2-Light Bar. Refer to Section 1.9.20 for information on testing the light bar.