RM36D0EC _56 Audio / Visual / Telematics _083087 TELEMATICS _0402655 TELEMATICS SYSTEM C

TELEMATICS  TELEMATICS SYSTEM  B157011  Indicator (Red) Circuit Short to Ground  B157013  Indicator (Red) Circuit Open  


DESCRIPTION

This DTC is stored when the telematics transceiver detects an open or short in the emergency call switch indicator (red) circuit of the emergency call switch.

The manual (SOS) switch indicator (red) illuminates for 5 seconds and turns off when the ignition switch is turned to ON.

If a malfunction in the telematics system is detected, the emergency call switch indicator (red) will blink. However, the emergency call switch indicator (red) may not illuminate when this DTC is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
B157011 Indicator (Red) Circuit Short to Ground Emergency call switch indicator (red) impedance (Ω) is lower than the malfunction threshold for 10 seconds or more when the ignition switch is ON
·

Telematics transceiver

·

Map light sub-assembly (emergency call switch)

·

Harness or connector


B157013 Indicator (Red) Circuit Open Emergency call switch indicator (red) impedance (Ω) is higher than the malfunction threshold for 10 seconds or more when the ignition switch is ON
·

Telematics transceiver

·

Map light sub-assembly (emergency call switch)

·

Harness or connector



WIRING DIAGRAM

E503078E07
1.292,0.948 1.75,1.146 0.458,0.198 10 false RED 2.979,0.594 3.917,0.792 0.938,0.198 10 false 11 2.969,1.115 3.813,1.313 0.844,0.198 10 false 14 2.521,0.573 3.135,0.771 0.615,0.198 10 false IND1 2.427,1.125 3.042,1.323 0.615,0.198 10 false GND3 0.792,2.042 2.042,2.25 1.25,0.208 10 false P24 0.781,2.219 4.219,2.531 3.438,0.313 10 false Map Light Sub-assembly (Emergency Call Switch) 4.969,0.583 5.281,0.781 0.313,0.198 10 false 4 4.969,1.146 5.281,1.344 0.313,0.198 10 false 3 5.167,0.677 5.781,0.875 0.615,0.198 10 false IND1 5.167,1.135 5.781,1.333 0.615,0.198 10 false SIG- 5.083,2.063 5.542,2.26 0.458,0.198 10 false G131 5.073,2.219 6.635,2.427 1.563,0.208 10 false Telematics Transceiver

CAUTION / NOTICE / HINT

NOTICE:
·

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Telematics System.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM>PRECAUTION

·

When replacing the telematics transceiver, make sure to replace it with a new one.

·

Before replacing the telematics transceiver, refer to Service Bulletin.



HINT:

If DTC B157011 or B157013 is stored, the emergency call switch indicator (red) may not illuminate when another DTC is stored.


PROCEDURE

1.CHECK DTC
a.

Turn the ignition switch to ON and wait for 10 seconds or more.


b.

Clear the DTCs.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM>DTC CHECK / CLEAR

Body Electrical > Telematics > Clear DTCs
50002 459

c.

Check for DTCs and check that no DTCs are output.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM>DTC CHECK / CLEAR

Body Electrical > Telematics > Trouble Codes
50001 459
OK:

No DTCs are output.



Result:
Proceed to
OK
NG



OK

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


NG

2.INSPECT MAP LIGHT SUB-ASSEMBLY (EMERGENCY CALL SWITCH) (RED INDICATOR)
2.INSPECT MAP LIGHT SUB-ASSEMBLY (EMERGENCY CALL SWITCH) (RED INDICATOR)
a.
E513202C03
0.896,1.073 0.729,0.417 0.729,0.417 0.573,0.417 true 2.604,1.406 2.292,1.969 2.292,1.969 2.135,1.969 true 0.125,0.135 0.438,0.333 0.313,0.198 10 false *a 0.229,0.344 0.927,0.656 0.698,0.313 10 false IND1 1.719,1.896 2.438,2.177 0.719,0.281 10 false GND3
*a Component without harness connected
(Map Light Sub-assembly [Emergency Call Switch])


Remove the map light sub-assembly (emergency call switch).

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL


b.

Connect 2 dry-cell batteries (1.5 V each) in series.


c.

Connect a positive (+) lead from the batteries to terminal 11 (IND1) and a negative (-) lead to terminal 14 (GND3) of the map light sub-assembly (emergency call switch) connector.


d.

Check if the manual (SOS) switch indicator (red) illuminates.

OK:

Emergency call switch indicator (red) illuminates.



Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - MAP LIGHT SUB-ASSEMBLY [EMERGENCY CALL SWITCH])

NG

REPLACE MAP LIGHT SUB-ASSEMBLY

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL


3.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - MAP LIGHT SUB-ASSEMBLY [EMERGENCY CALL SWITCH])
a.

Disconnect the G131 telematics transceiver connector.


b.

Disconnect the P24 map light sub-assembly (emergency call switch) connector.


c.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
G131-4 (IND1) - P24-11 (IND1) Always Below 1 Ω
G131-4 (IND1) or P24-11 (IND1) - Body ground Always 10 kΩ or higher
G131-3 (SIG-) - P24-14 (GND3) Always Below 1 Ω
G131-3 (SIG-) or P24-14 (GND3) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

4.REPLACE TELEMATICS TRANSCEIVER

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.REPLACE TELEMATICS TRANSCEIVER
a.

Replace the telematics transceiver with a new one.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER>REMOVAL


Result:
Proceed to
NEXT



NEXT

PERFORM REGISTRATION

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM>REGISTRATION