Navigation Receiver Assembly Power Source Circuit: Procedure

1. Disconnect the E2 navigation receiver assembly connector.
2. Disconnect the E5 navigation receiver assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E2-20 (GND) - Body ground	Always	Below 1 Ω

4. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   E2-1 (B) - E2-20 (GND)	Always	11 to 14 V
   E2-11 (ACC) - E2-20 (GND)	Ignition switch ACC	11 to 14 V
   E5-2 (IG) - E2-20 (GND)	Ignition switch ON	11 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   2