Toyota 4Runner: Navigation Receiver Assembly Power Source Circuit

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Navigation / Multi Info Display / Navigation System / Navigation Receiver Assembly Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the navigation receiver assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.	CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - BATTERY, BODY GROUND)

(a) Disconnect the G6 and G37 navigation receiver assembly connectors.

(b) Measure the resistance according to the value(s) in the table below .

Standard Resistance:

Tester Connection	Condition	Specified Condition
G6-7 (GND) - Body ground	Always	Below 1 Ω

Standard Voltage:

Tester Connection	Condition	Specified Condition
G6-4 (B) - G6-7 (GND)	Always	11 to 14 V
G6-3 (ACC) - G6-7 (GND)	Ignition switch ACC	11 to 14 V
G37-1 (IG) - G6-7 (GND)	Ignition switch ON	11 to 14 V

Text in Illustration

*a	Front view of wire harness connector (to Navigation Receiver Assembly)

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

Stereo Component Amplifier Power Source Circuit

DESCRIPTION This circuit provides power to the stereo component amplifier assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before p ...

Park Assist / Monitoring

...

Other materials about Toyota 4Runner:

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" ...

Crawl Control
Allows travel on extremely rough off-road surfaces at a fixed low speed without pressing the accelerator or brake pedal. Minimizes loss of traction or vehicle slip when driving on slippery road surfaces, allowing for stable driving. Crawl Control switch ...