RM38N0EC _56 Audio / Visual / Telematics _111823 NAVIGATION / MULTI INFO DISPLAY _0502893 NAVIGATION SYSTEM C

NAVIGATION / MULTI INFO DISPLAY NAVIGATION SYSTEM B15A387 Stereo Component Amplifier Missing Message

DESCRIPTION

This DTC is stored when the navigation receiver assembly detects that the stereo component amplifier assembly has disconnected.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from	Priority
B15A387	Stereo Component Amplifier Missing Message	When 60 seconds has elapsed after turning the ignition switch to ON and the stereo component amplifier assembly cannot be detected, the stereo component amplifier assembly is judged to be disconnected after comparison with the past registered devices history. (2 trip detection logic)	· Navigation receiver assembly · Stereo component amplifier assembly · Harness or connector	Navigation System	A

WIRING DIAGRAM

5.271,0.698 5.677,0.917 0.406,0.219 10 false K2 5.604,0.688 5.833,0.896 0.229,0.208 10 false +B 0.948,0.677 2.448,0.896 1.5,0.219 10 false from Auxiliary Battery*1 2.615,2.583 3.094,2.792 0.479,0.208 10 false E136 2.604,2.74 3.844,3.49 1.24,0.75 10 false Navigation Receiver Assembly 1.115,4.188 3.125,4.396 2.01,0.208 10 false : AVC-LAN Communication Line 5.177,3.646 6.927,4 1.75,0.354 10 false Stereo Component Amplifier Assembly 5.281,3.01 5.479,3.167 0.198,0.156 10 false 18 5.323,2.667 5.479,2.854 0.156,0.188 10 false 3 5.323,2 5.479,2.177 0.156,0.177 10 false 7 5.323,1.521 5.5,1.708 0.177,0.188 10 false 8 5.292,0.896 5.521,1.104 0.229,0.208 10 false 16 5.323,0.479 5.458,0.688 0.135,0.208 10 false 1 5.615,1.719 5.906,1.927 0.292,0.208 10 false TX+ 5.594,2.813 5.948,3.01 0.354,0.198 10 false GND 3.656,2.083 3.802,2.26 0.146,0.177 10 false 2 3.646,1.594 3.823,1.802 0.177,0.208 10 false 1 5.604,1.073 5.927,1.281 0.323,0.208 10 false +B2 5.604,2.208 5.844,2.385 0.24,0.177 10 false TX- 5.594,3.177 6.073,3.385 0.479,0.208 10 false GND2 3.229,1.698 3.604,1.885 0.375,0.188 10 false TX1+ 3.26,2.177 3.573,2.385 0.313,0.208 10 false TX1- 3.125,0.844 3.958,1.063 0.833,0.219 10 false AMP 5.271,1.094 5.667,1.333 0.396,0.24 10 false K2 5.271,2.823 5.677,3.031 0.406,0.208 10 false K2 5.271,3.198 5.656,3.427 0.385,0.229 10 false K2 5.24,1.729 5.594,1.969 0.354,0.24 10 false K53 5.219,2.208 5.635,2.49 0.417,0.281 10 false K53 2.99,1.24 3.823,1.458 0.833,0.219 10 false BBC NO. 4 0.479,1.083 2.427,1.542 1.948,0.458 10 false from Eco-Run Vehicle Converter Assembly*2 0.177,3.073 2.406,3.302 2.229,0.229 10 false *1: w/o Stop and Start System 0.177,3.448 2.406,3.677 2.229,0.229 10 false *2: w/ Stop and Start System

CAUTION / NOTICE / HINT

NOTICE:: ·

Inspect the fuses for circuits related to this system before performing the following procedure.

·

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed.

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION SYSTEM>PRECAUTION202409,999999,_56,_111823,_0502893,RM100000002OBSO,

HINT:: There may be a communication malfunction due to noise affecting communication between devices on the AVC-LAN.

PROCEDURE

1.CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - POWER SOURCE AND BODY GROUND)

Pre-procedure1

Disconnect the K2 stereo component amplifier assembly connector.

Procedure1

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(K2)Location & Routingewd_type=routing;type=c;code=K2 Click Connector(K2)Body>Floor Wire>Stereo Component Amplifier Assemblyewd_type=component;type=c;code=K2;pinno=3,18
K2-3 (GND) - Body ground	Always	Below 1 Ω
K2-18 (GND2) - Body ground	Always	Below 1 Ω

Tester Connection

Condition

Specified Condition

Click Location & Routing(K2)Location & Routingewd_type=routing;type=c;code=K2

Click Connector(K2)Body>Floor Wire>Stereo Component Amplifier Assemblyewd_type=component;type=c;code=K2;pinno=3,18

K2-3 (GND) - Body ground

Always

Below 1 Ω

K2-18 (GND2) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection	Condition	Specified Condition
Click Location & Routing(K2)Location & Routingewd_type=routing;type=c;code=K2 Click Connector(K2)Body>Floor Wire>Stereo Component Amplifier Assemblyewd_type=component;type=c;code=K2;pinno=1,16
K2-1 (+B) - Body ground	IG OFF	11 to 14 V1 9.5 to 16 V2
K2-16 (+B2) - Body ground	IG OFF	11 to 14 V1 9.5 to 16 V2

Tester Connection

Condition

Specified Condition

Click Location & Routing(K2)Location & Routingewd_type=routing;type=c;code=K2

Click Connector(K2)Body>Floor Wire>Stereo Component Amplifier Assemblyewd_type=component;type=c;code=K2;pinno=1,16

K2-1 (+B) - Body ground

IG OFF

11 to 14 V*1
9.5 to 16 V*2

K2-16 (+B2) - Body ground

IG OFF

11 to 14 V*1
9.5 to 16 V*2

*1: w/o Stop and Start System

*2: w/ Stop and Start System

Result:

Proceed to
OK
NG

Post-procedure1

None

2.CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY)

REPAIR OR REPLACE HARNESS OR CONNECTOR

2.CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY)

Pre-procedure1

Disconnect the E136 navigation receiver assembly connector.

Disconnect the K53 stereo component amplifier assembly connector.

Procedure1

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(E136,K53)Location & Routingewd_type=routing;type=c,c;code=E136,K53 Click Connector(E136)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assemblyewd_type=component;type=c;code=E136;pinno=1,2 Click Connector(K53)Body>Floor Wire>Stereo Component Amplifier Assemblyewd_type=component;type=c;code=K53;pinno=8,7
E136-1 (TX1+) - K53-8 (TX+)	Always	Below 1 Ω
E136-2 (TX1-) - K53-7 (TX-)	Always	Below 1 Ω
E136-1 (TX1+) or K53-8 (TX+) - Body ground	Always	10 kΩ or higher
E136-2 (TX1-) or K53-7 (TX-) - Body ground	Always	10 kΩ or higher

Result:

Proceed to
OK
NG

Post-procedure1

None

3.REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY

Replace the stereo component amplifier assembly with a new or known good one.

HINT:: Click hereAudio / Visual / Telematics>AUDIO / VIDEO>STEREO COMPONENT AMPLIFIER>REMOVAL202203,999999,_56,_111822,_0500652,RM1000000022L7I,

Result:

Proceed to
NEXT

4.CLEAR DTC

Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs: 50002 496

Result:

Proceed to
NEXT

5.CHECK FOR DTC

Pre-procedure1

Turn the ignition switch off.

Turn the ignition switch to ON and wait for 60 seconds.

Turn the ignition switch off.

Turn the ignition switch to ON and wait for 60 seconds.

Procedure1

Check for DTCs and proceed to the following step.

Body Electrical > Navigation System > Trouble Codes: 50001 496

Result:

Result	Proceed to
DTCs are not output	A
B15A387 is output	B

Post-procedure1

None

END (STEREO COMPONENT AMPLIFIER ASSEMBLY IS DEFECTIVE)

REPLACE NAVIGATION RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION RECEIVER>REMOVAL202409,999999,_56,_111823,_0500514,RM100000002OV73,