Toyota 4Runner: Navigation Voice Circuit
DESCRIPTION
This circuit is used when the voice guidance in the navigation system is on or an incoming cellular phone voice in the "Bluetooth" hands-free system is heard.
Using this circuit, the navigation receiver assembly sends the signals to the stereo component amplifier assembly.
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY) |
(a) Disconnect the G5 navigation receiver assembly connector.
(b) Disconnect the N11 stereo component amplifier assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester connection |
Condition |
Specified condition |
|---|---|---|
|
G5-2 (RL+) - N11-15 (II1+) |
Always |
Below 1 Ω |
|
G5-6 (RL-) - N11-14 (II1-) |
Always |
Below 1 Ω |
|
N11-18 (SLD1) - Body ground |
Always |
10 kΩ or higher |
|
N11-14 (II1-) - Body ground |
Always |
10 kΩ or higher |
|
N11-15 (II1+) - Body ground |
Always |
10 kΩ or higher |
| OK | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Reverse Signal Circuit
DESCRIPTION
The navigation receiver assembly receives a reverse signal from the park/neutral
position switch assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
After replacing t ...
Microphone Circuit between Microphone and Navigation Receiver Assembly
DESCRIPTION
The navigation receiver assembly and map light assembly (telephone microphone
assembly) are connected to each other using the microphone connection detection
signal lines. ...
Other materials about Toyota 4Runner:
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
ECM
Skid control ECU
Engine speed signal
Accelerator pedal position signal
Intak ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT BRAKE FLUID LEVEL IN RESERVOIR
(a) Check the fluid level and add fluid if necessary.
Brake Fluid:
SAE J1703 or FMVSS No. 116 DOT3
HINT:
Add fluid to the reservoir MAX line.
...
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