DTC B119F:49 [CONNECTIVITY MASTER UNIT (TYPE-B)]

id1602a9000500

Outline

System malfunction location

Communication error with GNSS

Detection condition

•  When any of the following conditions is met.

―  The connectivity master unit (CMU) cannot receive a signal from the GPS antenna for 5 s or more.

―  The connectivity master unit (CMU) receives an error signal from GPS antenna 3 times or more.

Fail-safe

Not applicable

Possible cause

•  Connectivity master unit (CMU) malfunction

System wiring diagram

Not applicable

Connector diagram

Not applicable

System malfunction location	Communication error with GNSS
Detection condition	• When any of the following conditions is met. ― The connectivity master unit (CMU) cannot receive a signal from the GPS antenna for 5 s or more. ― The connectivity master unit (CMU) receives an error signal from GPS antenna 3 times or more.
Fail-safe	Not applicable
Possible cause	• Connectivity master unit (CMU) malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable

Diagnostic Procedure

Step

Inspection

Results

Action

1

VERIFY IF GNSS INFORMATION CAN BE RECEIVED

•  Switch the ignition ON (engine off) and display the navigation screen of the center display.

•  Is the current position displayed?

Yes

Verify that the repairs have been completed.

No

Go to the next step.

2

VERIFY GNSS INFORMATION RECEPTION CONDITION

Note

•  If there is no response, move the vehicle outside (in environment where radio signal is not interrupted or obstructed) and verify the display again.

•  Perform the [Navigation System Inspection] using the diagnostic assist function.
(See DIAGNOSTIC ASSIST FUNCTION [CONNECTIVITY MASTER UNIT (TYPE-B) (E)].)

•  Verify the number of receptions display for [GPS+GLONASS+QZSS] on the inspection result screen.

•  Is the number of receptions 1 or more?

Yes

Verify that the repairs have been completed.

No

Go to the next step.

Repair completion verification 1

VERIFY THAT VEHICLE IS REPAIRED

•  Install/connect the part removed/disconnected during the troubleshooting procedure.

•  Clear the DTC recorded in the memory.
(Refer to the [CLEARING DTC] in the workshop manual)

•  Switch the ignition ON (engine off or on) and wait for 21 s or more.

•  Perform the DTC inspection for the connectivity master unit (CMU).
(Refer to the [DTC INSPECTION] in the workshop manual)

•  Is the same Pending DTC present?

Yes

Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.

(Refer to the [CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW] in the workshop manual)

If the CAN communication is normal, perform the diagnosis from Step 1.

•  If the malfunction recurs, replace the connectivity master unit (CMU), then go to the next step.
(Refer to the [CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION] in the workshop manual)

No

Go to the next step.

Repair completion verification 2

VERIFY IF OTHER DTCs ARE DISPLAYED

•  Perform the DTC inspection.
(Refer to the [DTC INSPECTION] in the workshop manual)

•  Is a DTC displayed?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

No

DTC troubleshooting completed.

Step	Inspection	Results	Action
1	VERIFY IF GNSS INFORMATION CAN BE RECEIVED • Switch the ignition ON (engine off) and display the navigation screen of the center display. • Is the current position displayed?	Yes	Verify that the repairs have been completed.
1		No	Go to the next step.
2	VERIFY GNSS INFORMATION RECEPTION CONDITION Note • If there is no response, move the vehicle outside (in environment where radio signal is not interrupted or obstructed) and verify the display again. • Perform the [Navigation System Inspection] using the diagnostic assist function. (See DIAGNOSTIC ASSIST FUNCTION [CONNECTIVITY MASTER UNIT (TYPE-B) (E)].) • Verify the number of receptions display for [GPS+GLONASS+QZSS] on the inspection result screen. • Is the number of receptions 1 or more?	Yes	Verify that the repairs have been completed.
2		No	Go to the next step.
Repair completion verification 1	VERIFY THAT VEHICLE IS REPAIRED • Install/connect the part removed/disconnected during the troubleshooting procedure. • Clear the DTC recorded in the memory. (Refer to the [CLEARING DTC] in the workshop manual) • Switch the ignition ON (engine off or on) and wait for 21 s or more. • Perform the DTC inspection for the connectivity master unit (CMU). (Refer to the [DTC INSPECTION] in the workshop manual) • Is the same Pending DTC present?	Yes	Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (Refer to the [CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW] in the workshop manual) If the CAN communication is normal, perform the diagnosis from Step 1. • If the malfunction recurs, replace the connectivity master unit (CMU), then go to the next step. (Refer to the [CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION] in the workshop manual)
Repair completion verification 1		No	Go to the next step.
Repair completion verification 2	VERIFY IF OTHER DTCs ARE DISPLAYED • Perform the DTC inspection. (Refer to the [DTC INSPECTION] in the workshop manual) • Is a DTC displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting.
Repair completion verification 2		No	DTC troubleshooting completed.