Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed.
Disconnect the I191 navigation receiver assembly connector.
Disconnect the I190 No. 1 stereo jack adapter assembly connector.
| *a | Front view of wire harness connector
(to Navigation Receiver Assembly) |
| *b | Front view of wire harness connector
(to No. 1 Stereo Jack Adapter Assembly) |
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| I191-2 (US1-) - I190-2 (UDO-) | Always | Below 1 Ω |
| I191-3 (US1+) - I190-3 (UDO+) | Always | Below 1 Ω |
| I191-5 (USG1) - I190-5 (UJSS) | Always | Below 1 Ω |
| I191-2 (US1-) or I190-2 (UDO-) - Body ground | Always | 10 kΩ or higher |
| I191-3 (US1+) or I190-3 (UDO+) - Body ground | Always | 10 kΩ or higher |
| I191-5 (USG1) or I190-5 (UJSS) - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Replace the No. 1 stereo jack adapter assembly with a new or known good one.
Check if the problem symptom recurs.
| Result | Proceed to |
|---|---|
| Malfunction disappears | A |
| Malfunction occurs | B |
A
B