Data Signal Circuit between Navigation Receiver Assembly and Extension Module [08/2014 - ]: Procedure
- CHECK NAVIGATION WIRE
- Disconnect the navigation receiver assembly connector.
- Disconnect the stereo component tuner assembly connector.
- Measure the resistance according to the value(s) in the chart below.
Standard Resistance
Tester Connection Condition Specified Condition V4-1 (USV4) - V3-1 (USV4) Always Below 1 Ω V4-2 (US4-) - V3-2 (US4-) Always Below 1 Ω V4-3 (US4+) - V3-3 (US4+) Always Below 1 Ω V4-4 (USO4) - V3-4 (USO4) Always Below 1 Ω V4-5 (USG4) - V3-5 (USG4) Always Below 1 Ω V4-1 (USV4) - Body ground Always 10 kΩ or higher V4-2 (US4-) - Body ground Always 10 kΩ or higher V4-3 (US4+) - Body ground Always 10 kΩ or higher V4-4 (USO4) - Body ground Always 10 kΩ or higher V4-5 (USG4) - Body ground Always 10 kΩ or higher TEXT IN ILLUSTRATION*a Front view of navigation wire connector
(to Navigation Receiver Assembly)*b Front view of navigation wire connector
(to Stereo Component Tuner Assembly)
NG → See step 3
OK → See step 2
- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [08/2014 - ]
- REPLACE NAVIGATION WIRE. Refer to REMOVAL [08/2014 - ]