Navigation System Navigation Voice Speaker Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - NAVIGATION ECU)
CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - STEREO COMPONENT AMPLIFIER)
NAVIGATION SYSTEM - Navigation Voice Speaker Circuit |
DESCRIPTION
This circuit is used when the voice guidance in the navigation system is on.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - NAVIGATION ECU) |
Disconnect the multi-display connector p1 and the navigation ECU connector p2.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester connection
| Condition
| Specified condition
|
VOI- - SI-
| Always
| Below 1 Ω
|
VOI+ - SI+
| Always
| Below 1 Ω
|
VOI- - Body ground
| Always
| 10 kΩ or higher
|
VOI+ - Body ground
| Always
| 10 kΩ or higher
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| 2.CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - STEREO COMPONENT AMPLIFIER) |
Disconnect the multi-display connector J51 and stereo component amplifier connector P30.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester connection
| Condition
| Specified condition
|
IVO+ - II1+
| Always
| Below 1 Ω
|
IVO- - II1-
| Always
| Below 1 Ω
|
IVO+ - Body ground
| Always
| 10 kΩ or higher
|
IVO- - Body ground
| Always
| 10 kΩ or higher
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| OK |
|
|
|
| PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE |
|
