Pinpoint Test AC: DTC U3003:16 (Audio Control Module (ACM))

Information and Entertainment System

Pinpoint Test AC: DTC U3003:16 (Audio Control Module (ACM))

Normal Operation
- DTC U3003:16 (Battery Voltage: Circuit Voltage Below Threshold) - set by the Audio Control Module (ACM) when the supply voltage on circuit SBP39 (WH/RD) falls below 10 volts for at least 10 seconds during normal operation, or for greater than 250 milliseconds during the self-test.

This pinpoint test is intended to diagnose the following:

- Wiring, terminals or connectors
- High circuit resistance
- ACM



PINPOINT TEST AC: DTC U3003:16 (ACM)

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

NOTE: Failure to disconnect the battery when instructed will result in false resistance readings. Refer to Battery.

AC1-AC5:

AC5-AC6: