Toyota 4Runner: Navigation Voice Circuit

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Navigation / Multi Info Display / Navigation System / 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.

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

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

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:

Lost Communication with A/C ECU (U0164)
DESCRIPTION DTC Code DTC Detection Condition Trouble Area U0164 There is no communication from the air conditioning amplifier assembly. Power source or inside air conditioning ...

Freeze Frame Data
FREEZE FRAME DATA 1. CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Navigation System / Trouble Codes. (e) Select a DTC to ...