UNINTENDED CALL MADE [EMERGENCY CALL]

id0903p7070900

Outline

Description

•  Unintended call made.

Possible cause

•  Emergency call switch malfunction

•  Air bag system malfunction

•  Emergency call contorl module malfunction

Diagnostic Procedure

Step

Inspection

Results

Action

1

VERIFY ALL SYSTEM DTCs

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

•  Are any DTCs displayed?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

No

Go to the next step.

2

VERIFY OPERATION RECORD

•  Verify the operation record of the emergency call control module using the M-MDS.

•  Is there a remaining call record?

Yes

Go to the next step.

No

A call is not made. (Explain the contents of the servicing to the customer.)

3

VERIFY CALL METHOD

•  Verify the operation record of the emergency call control module using the M-MDS.

•  Verify if a call is made manually or automatically.

•  Is a call made manually?

Yes

Go to the next step.

No

Verify if there is no malfunction related to the air bag system.

(See DTC TABLE [SAS CONTROL MODULE].)

(See TROUBLESHOOTING INDEX [AIR BAG SYSTEM].)

•  If there is no malfunction related to the air bag system, perform the repair completion verification.

4

INSPECT EMERGENCY CALL SWITCH FOR MALFUNCTION

•  Inspect the applicable part.
(See EMERGENCY CALL SWITCH INSPECTION.)

•  Is the part normal?

Yes

Go to the next step.

No

Repair or replace the malfunctioning location and perform the repair completion verification.

(See EMERGENCY CALL SWITCH REMOVAL/INSTALLATION.)

Repair completion verification

VERIFY THAT VEHICLE IS REPAIRED

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

•  Has the malfunction symptom been eliminated?

Yes

Complete the symptom troubleshooting. (Explain contents of repair to customer)

No

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

(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(E)].)

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

•  If the malfunction is not resolved, replace the emergency call unit.
(See EMERGENCY CALL UNIT REMOVAL/INSTALLATION.)

Description	• Unintended call made.
Possible cause	• Emergency call switch malfunction • Air bag system malfunction • Emergency call contorl module malfunction

Step	Inspection	Results	Action
1	VERIFY ALL SYSTEM DTCs • Perform the DTC inspection. (See DTC INSPECTION.) • Are any DTCs displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting.
1		No	Go to the next step.
2	VERIFY OPERATION RECORD • Verify the operation record of the emergency call control module using the M-MDS. • Is there a remaining call record?	Yes	Go to the next step.
2		No	A call is not made. (Explain the contents of the servicing to the customer.)
3	VERIFY CALL METHOD • Verify the operation record of the emergency call control module using the M-MDS. • Verify if a call is made manually or automatically. • Is a call made manually?	Yes	Go to the next step.
3		No	Verify if there is no malfunction related to the air bag system. (See DTC TABLE [SAS CONTROL MODULE].) (See TROUBLESHOOTING INDEX [AIR BAG SYSTEM].) • If there is no malfunction related to the air bag system, perform the repair completion verification.
4	INSPECT EMERGENCY CALL SWITCH FOR MALFUNCTION • Inspect the applicable part. (See EMERGENCY CALL SWITCH INSPECTION.) • Is the part normal?	Yes	Go to the next step.
4		No	Repair or replace the malfunctioning location and perform the repair completion verification. (See EMERGENCY CALL SWITCH REMOVAL/INSTALLATION.)
Repair completion verification	VERIFY THAT VEHICLE IS REPAIRED • Install/connect the part removed/disconnected during the troubleshooting procedure. • Has the malfunction symptom been eliminated?	Yes	Complete the symptom troubleshooting. (Explain contents of repair to customer)
Repair completion verification		No	Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(E)].) If the CAN communication is normal, perform the diagnosis from Step 1. • If the malfunction is not resolved, replace the emergency call unit. (See EMERGENCY CALL UNIT REMOVAL/INSTALLATION.)