DTC B1A32:49 [MAZDA ERA-GLONASS CONTROL MODULE]

id0902r6542300

Outline

System malfunction location

Emergency call microphone internal malfunction

Detection condition

•  The Mazda ERA-GLONASS control module detects the emergency call microphone / Mazda ERA-GLONASS speaker internal malfunction for a continuous 2 times.

Fail-safe

Not applicable

Possible cause

•  Emergency call microphone malfunction

•  Mazda ERA-GLONASS speaker malfunction

•  Mazda ERA-GLONASS control module malfunction

System wiring diagram

Not applicable

Connector diagram

Not applicable

System malfunction location	Emergency call microphone internal malfunction
Detection condition	• The Mazda ERA-GLONASS control module detects the emergency call microphone / Mazda ERA-GLONASS speaker internal malfunction for a continuous 2 times.
Fail-safe	Not applicable
Possible cause	• Emergency call microphone malfunction • Mazda ERA-GLONASS speaker malfunction • Mazda ERA-GLONASS control module malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable

Diagnostic Procedure

Step

Inspection

Results

Action

1

VERIFY MAZDA ERA-GLONASS CONTROL MODULE DTCs

•  Retrieve the Mazda ERA-GLONASS control module DTCs using the M-MDS.
(See DTC INSPECTION [MAZDA ERA-GLONASS CONTROL MODULE].)

•  Are any DTCs displayed?

Yes

Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.

(See DTC TABLE [MAZDA ERA-GLONASS CONTROL MODULE].)

No

Go to the next step.

2

INSPECT MAZDA ERA-GLONASS SPEAKER

•  Inspect the Mazda ERA-GLONASS speaker.
(See MAZDA ERA-GLONASS SPEAKER INSPECTION.)

•  Is the Mazda ERA-GLONASS speaker normal?

Yes

Go to the next step.

No

Replace the Mazda ERA-GLONASS speaker, then go to Step 4.

(See MAZDA ERA-GLONASS SPEAKER REMOVAL/INSTALLATION.)

3

PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING LOCATION IS EMERGENCY CALL MICROPHONE

•  Always reconnect all disconnected connectors.

•  Reconnect the negative battery terminal.
(See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

•  Clear the DTC for the Mazda ERA-GLONASS control module using the M-MDS.
(See CLEARING DTC [MAZDA ERA-GLONASS CONTROL MODULE])

•  Switch the ignition ON (engine off or on) and wait for 25 s or more.

•  Perform the DTC inspection for the Mazda ERA-GLONASS control module using the M-MDS.
(See DTC INSPECTION [MAZDA ERA-GLONASS CONTROL MODULE])

•  Is the same DTC displayed?

Yes

Replace the emergency call microphone, then go to the next step.

(See EMERGENCY CALL MICROPHONE REMOVAL/INSTALLATION.)

No

Go to the next step.

4

VERIFY THAT REPAIRS HAVE BEEN COMPLETED

•  Clear the DTC for the Mazda ERA-GLONASS control module using the M-MDS.
(See CLEARING DTC [MAZDA ERA-GLONASS CONTROL MODULE])

•  Switch the ignition ON (engine off or on) and wait for 25 s or more.

•  Perform the DTC inspection for the Mazda ERA-GLONASS control module using the M-MDS.
(See DTC INSPECTION [MAZDA ERA-GLONASS CONTROL MODULE])

•  Is the same DTC displayed?

Yes

Repeat the inspection from Step 1.

•  If the malfunction recurs, replace the Mazda ERA-GLONASS control module.
(See MAZDA ERA-GLONASS CONTROL MODULE REMOVAL/INSTALLATION.)

Go to the next step.

No

Go to the next step.

5

VERIFY IF OTHER DTC IS DISPLAYED

•  Perform the DTC inspection.
(See DTC INSPECTION.)

•  Are any other DTCs displayed?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

No

DTC troubleshooting completed.

Step	Inspection	Results	Action
1	VERIFY MAZDA ERA-GLONASS CONTROL MODULE DTCs • Retrieve the Mazda ERA-GLONASS control module DTCs using the M-MDS. (See DTC INSPECTION [MAZDA ERA-GLONASS CONTROL MODULE].) • Are any DTCs displayed?	Yes	Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [MAZDA ERA-GLONASS CONTROL MODULE].)
1		No	Go to the next step.
2	INSPECT MAZDA ERA-GLONASS SPEAKER • Inspect the Mazda ERA-GLONASS speaker. (See MAZDA ERA-GLONASS SPEAKER INSPECTION.) • Is the Mazda ERA-GLONASS speaker normal?	Yes	Go to the next step.
2		No	Replace the Mazda ERA-GLONASS speaker, then go to Step 4. (See MAZDA ERA-GLONASS SPEAKER REMOVAL/INSTALLATION.)
3	PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING LOCATION IS EMERGENCY CALL MICROPHONE • Always reconnect all disconnected connectors. • Reconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.) • Clear the DTC for the Mazda ERA-GLONASS control module using the M-MDS. (See CLEARING DTC [MAZDA ERA-GLONASS CONTROL MODULE]) • Switch the ignition ON (engine off or on) and wait for 25 s or more. • Perform the DTC inspection for the Mazda ERA-GLONASS control module using the M-MDS. (See DTC INSPECTION [MAZDA ERA-GLONASS CONTROL MODULE]) • Is the same DTC displayed?	Yes	Replace the emergency call microphone, then go to the next step. (See EMERGENCY CALL MICROPHONE REMOVAL/INSTALLATION.)
3		No	Go to the next step.
4	VERIFY THAT REPAIRS HAVE BEEN COMPLETED • Clear the DTC for the Mazda ERA-GLONASS control module using the M-MDS. (See CLEARING DTC [MAZDA ERA-GLONASS CONTROL MODULE]) • Switch the ignition ON (engine off or on) and wait for 25 s or more. • Perform the DTC inspection for the Mazda ERA-GLONASS control module using the M-MDS. (See DTC INSPECTION [MAZDA ERA-GLONASS CONTROL MODULE]) • Is the same DTC displayed?	Yes	Repeat the inspection from Step 1. • If the malfunction recurs, replace the Mazda ERA-GLONASS control module. (See MAZDA ERA-GLONASS CONTROL MODULE REMOVAL/INSTALLATION.) Go to the next step.
4		No	Go to the next step.
5	VERIFY IF OTHER DTC IS DISPLAYED • Perform the DTC inspection. (See DTC INSPECTION.) • Are any other DTCs displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting.
5		No	DTC troubleshooting completed.