DCM Data Signal Circuit between Radio Receiver and DCM [10/2022 - ]: Procedure
- CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - RADIO AND DISPLAY RECEIVER ASSEMBLY)
- Disconnect the H11 and c7 DCM (telematics transceiver) connector.
- Disconnect the H108 and c6 radio and display receiver assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition H11-15 (USBV) - H108-18 (USBV) Always Below 1 Ω H11-31 (USBG) - H108-17 (USBG) Always Below 1 Ω H11-17 (VOT+) - H108-15 (VOR+) Always Below 1 Ω H11-33 (VOT-) - H108-16 (VOR-) Always Below 1 Ω c7-1 (US4+) - c6-2 (USB+) Always Below 1 Ω c7-2 (US4-) - c6-1 (USB-) Always Below 1 Ω c7-3 (UGD4) - c6-3 (USBS) Always Below 1 Ω H11-15 (USBV) or H108-18 (USBV) - Body ground Always 10 kΩ or higher H11-31 (USBG) or H108-17 (USBG) - Body ground Always 10 kΩ or higher H11-17 (VOT+) or H108-15 (VOR+) - Body ground Always 10 kΩ or higher H11-33 (VOT-) or H108-16 (VOR-) - Body ground Always 10 kΩ or higher H108-4 (SGND) - Body ground Always 10 kΩ or higher c7-1 (US4+) or c6-2 (USB+) - Body ground Always 10 kΩ or higher c7-2 (US4-) or c6-1 (USB-) - Body ground Always 10 kΩ or higher c7-3 (UGD4) or c6-3 (USBS) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [10/2022 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR