Circuit Inspection
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
|
Multimedia jack connector | 4 (USB power) | Chassis ground | - | Approx. 5V |
|
Multimedia jack connector | 4 (ground) | Chassis ground | - | Approx. below 1Ω |
| Multimedia jack connector | 1 (USB ground) | A/V & navigation head unit connector | 1 (USB ground) | Approx. below 1Ω | |
| Multimedia jack connector | 2 (D+) | A/V & navigation head unit connector | 2 (D+) | Approx. below 1Ω | |
| Multimedia jack connector | 3(D-) | A/V & navigation head unit connector | 3 (D-) | Approx. below 1Ω | |
| Multimedia jack connector | 4 (USB power) | A/V & navigation head unit connector | 4 (USB power) | Approx. below 1Ω | |
Good
- Carefully re-do this troubleshooting guide steps.
- If no problems were found with the circuits or connectors, replace the A/V & navigation head unit and go to "Verification of Repair " procedure.
No Good
- Carefully re-do this troubleshooting guide steps.
- If no problems were found with the circuits or connectors, replace the multimedia jack and go to "Verification of Repair " procedure.