Navigation Receiver Assembly Power Source Circuit [08/2015 - ]: Procedure
- CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY POWER SOURCE)
- Disconnect the L149 and L38 navigation receiver assembly connectors.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition L149-7 (GND1) - Body ground Always Below 1 Ω - Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition L149-4 (+B1) - L149-7 (GND1) Power switch off 11 to 14 V L149-3 (ACC1) - L149-7 (GND1) Power switch on (ACC) 11 to 14 V L38-1 (IG) - L149-7 (GND1) Power switch on (IG) 11 to 14 V
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK → Refer to 2
- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [08/2015 - ]