DCM Data Signal Circuit between Navigation ECU and DCM: Procedure
- CHECK NO. 1 NAVIGATION WIRE
- Disconnect the J107 DCM connector.
- Disconnect the J106 display and navigation module display connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition J107-1-1 (USB-) - J106-1-1 (USB-) Always Below 1 Ω J107-1-2 (USB+) - J106-1-2 (USB+) Always Below 1 Ω J107-1-3 (USBS) - J106-1-3 (USBS) Always Below 1 Ω J107-2 (USBG) - J106-2 (USBG) Always Below 1 Ω J107-3 (VOT+) - J106-7 (VOR+) Always Below 1 Ω J107-4 (USBV) - J106-4 (USBV) Always Below 1 Ω J107-5 (VOT-) - J106-6 (VOR-) Always Below 1 Ω J107-6 (VOR-) - J106-5 (VOT-) Always Below 1 Ω J107-7 (VOR+) - J106-3 (VOT+) Always Below 1 Ω J107-1-1 (USB-) - Body ground Always 10 kΩ or higher J107-1-2 (USB+) - Body ground Always 10 kΩ or higher J107-1-3 (USBS) - Body ground Always 10 kΩ or higher J107-2 (USBG) - Body ground Always 10 kΩ or higher J107-3 (VOT+) - Body ground Always 10 kΩ or higher J107-4 (USBV) - Body ground Always 10 kΩ or higher J107-5 (VOT-) - Body ground Always 10 kΩ or higher J107-6 (VOR-) - Body ground Always 10 kΩ or higher J107-7 (VOR+) - Body ground Always 10 kΩ or higher
NG → REPLACE NO. 1 NAVIGATION WIRE
OK → See step 2
- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE