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:

Position Initialization Incomplete (B2343)
DESCRIPTION This DTC is stored when the sliding roof drive gear sub-assembly (sliding roof ECU) has not been initialized. DTC Code DTC Detection Condition Trouble Area B2343 The sliding roof driv ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: After replacing the navigation receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, registration of the XM radio ID is necessary. HINT: Use the table below to help determine the cause of ...