Toyota 4Runner: GPS Signal Unreceived (B1583)

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Cellular Communication / Safety Connect System / GPS Signal Unreceived (B1583)

DESCRIPTION

If GPS satellite signals cannot be acquired for 24 consecutive kilometers (15 consecutive miles), this DTC is set.

DTC Code	DTC Detection Condition	Trouble Area
B1583	GPS signal is not received for 24 km (15 miles).	Telephone and GPS antenna DCM (Telematics Transceiver)

CAUTION / NOTICE / HINT

HINT:

If either DTC B15C0 or B15C1 is output at the same time as DTC B1583, perform troubleshooting for DTC B15C0 or B15C1 first.

PROCEDURE

1.	CHECK TELEPHONE AND GPS ANTENNA

(a) Check that there are no problems with the telephone and GPS antenna.

OK:

The antenna is not excessively dirty and there are no objects blocking signal reception.

REMOVE FOREIGN OBJECT

2.	REPLACE TELEPHONE AND GPS ANTENNA

(a) Replace the telephone and GPS antenna (See page ).

CLEAR DTC

(a) Clear the DTC (See page ).

4.	CHECK FOR DTC

(a) Drive the vehicle for at least 24 km (15 miles).

(b) Turn the ignition switch off.

(d) Turn the ignition switch to ON and wait for 10 seconds.

(e) Perform "Health Check" and check for historic DTCs (See page ).

Result

Result	Proceed to
DTC B1583 is output	A
DTC B1583 is not output	B

END

5.	REPLACE DCM (TELEMATICS TRANSCEIVER)

(a) Replace the DCM (Telematics Transceiver) (See page ).

NOTICE:

The ignition switch must be off.
Do not replace the DCM (Telematics Transceiver) with one from another vehicle.

PERFORM DCM ACTIVATION

Short in Telephone Antenna Circuit (B1573,B15CB)

DESCRIPTION This DTC is stored when the DCM (Telematics Transceiver) detects an open or a short in the telephone and GPS antenna circuit. The DCM (Telematics Transceiver) sends and receives signa ...

Dcm Power Source Circuit

DESCRIPTION This is the power source circuit to operate the DCM (Telematics Transceiver). WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system be ...

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