Audio Visual Telematics. Corolla. Zre142 Aze141
Navigation Multi Info Display. Corolla. Zre142 Aze141
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - EXTENSION MODULE)
NAVIGATION SYSTEM - Navigation Voice Circuit between Radio Receiver and Extension Module |
DESCRIPTION
This circuit is used when the voice guidance in the navigation system is on or the voice switch of the steering pad switch is pushed.Using this circuit, the extension module sends signals to the radio and display receiver assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - EXTENSION MODULE) |
Disconnect the radio and display receiver assembly connector.
Disconnect the extension module connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition f2-22 (VOL+) - f1-31 (VOL+) Always Below 1 Ω f2-23 (VOL-) - f1-30 (VOL-) Always Below 1 Ω f2-24 (SHD1) - f1-29 (SHD1) Always Below 1 Ω f2-22 (VOL+) - Body ground Always 10 kΩ or higher f2-23 (VOL-) - Body ground Always 10 kΩ or higher f2-24 (SHD1) - Body ground Always 10 kΩ or higher
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| OK | ||
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