RM3660EC _57 Power Source / Network _080757 8ZR-FXE BATTERY / CHARGING _0393175 CHARGING SYSTEM C

8ZR-FXE BATTERY / CHARGING  CHARGING SYSTEM  P162B87  Lost Communication with Battery Monitor Module Missing Message  


DESCRIPTION

The hybrid vehicle control ECU communicates with the battery state sensor assembly via LIN communication. If a LIN communication error is detected, the hybrid vehicle control ECU stores this DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory
P162B87 Lost Communication with Battery Monitor Module Missing Message Battery state sensor assembly or hybrid vehicle control ECU communication stops for approximately 17 minutes or more with the power switch on (IG).
(1 trip detection logic)
·

Wire harness or connector

·

Battery state sensor assembly

·

Hybrid vehicle control ECU


Charge warning is not displayed DTC stored

WIRING DIAGRAM

A426244E42
0.792,3.281 4.458,3.479 3.667,0.198 10 false : LIN Communication Line 0.906,2.313 2.323,2.615 1.417,0.302 10 false Auxiliary Battery 0.75,1.354 2.125,1.552 1.375,0.198 10 false MAIN 1.292,0.802 2.667,1 1.375,0.198 10 false BATT-S 2.25,1.135 2.708,1.333 0.458,0.198 10 false A148 2.25,2.635 2.708,2.833 0.458,0.198 10 false C96 2.25,1.302 4.417,1.667 2.167,0.365 10 false Battery State Sensor Assembly 2.25,2.802 4.5,3.167 2.25,0.365 10 false Compressor with Motor Assembly 5.333,2.833 5.792,3.031 0.458,0.198 10 false A147 5.333,3 7.156,3.469 1.823,0.469 10 false Hybrid Vehicle Control ECU 2.125,0.5 2.458,0.781 0.333,0.281 10 false 3 3.708,0.49 4.042,0.771 0.333,0.281 10 false 2 5.219,0.49 5.552,0.771 0.333,0.281 10 false 16 3.698,1.969 4.031,2.25 0.333,0.281 10 false 3 3.208,2.125 3.75,2.406 0.542,0.281 10 false DOUT 2.333,0.646 2.875,0.927 0.542,0.281 10 false +B 3.375,0.667 3.917,0.948 0.542,0.281 10 false LIN 5.531,0.656 6.073,0.938 0.542,0.281 10 false LIN3

CAUTION / NOTICE / HINT

NOTICE:
·

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

·

Make sure to perform the necessary procedures (adjustment, calibration, initialization, or registration) after parts related to the charging system have been removed/installed or replaced.

Click hereGeneral>SETUP>WHEN REPLACING OR REMOVING/INSTALLING PARTS>WORK PROCEDURE



PROCEDURE

1.CHECK BATTERY STATE SENSOR ASSEMBLY
a.

Check installation condition of the battery state sensor assembly.

Click herePower Source / Network>8ZR-FXE (BATTERY / CHARGING)>BATTERY CURRENT SENSOR>INSTALLATION


Result:
Proceed to
OK
NG



OK

2.CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)

NG

INSTALL THE BATTERY STATE SENSOR ASSEMBLY CORRECTLY

Click herePower Source / Network>8ZR-FXE (BATTERY / CHARGING)>BATTERY CURRENT SENSOR>INSTALLATION


2.CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
a.

Check that the battery state sensor assembly connector is securely connected.

OK:

The connector is securely connected.



b.

Disconnect the battery state sensor assembly connector.


c.

Check the connector case and terminals for deformation or corrosion.

OK:

No deformation or corrosion.



d.
E418541C67
1.531,0.125 1.917,0.375 0.385,0.25 2.219,1.719 1.885,1.156 true 1.573,0.177 2.031,0.375 0.458,0.198 10 false A148 2.167,1.75 2.479,1.948 0.313,0.198 10 false +B 0.104,0.083 0.417,0.281 0.313,0.198 10 false *a
*a Front view of wire harness connector
(to Battery State Sensor Assembly)


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

Standard Voltage:
Tester Connection Condition Specified Condition
A148-3 (+B) - Body ground Always 11 to 14 V



Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - BATTERY STATE SENSOR ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (AUXILIARY BATTERY - BATTERY STATE SENSOR ASSEMBLY)

3.CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - BATTERY STATE SENSOR ASSEMBLY)
a.

Disconnect the hybrid vehicle control ECU connector.


b.

Disconnect the battery state sensor assembly connector.


c.

Disconnect the compressor with motor assembly connector.


d.

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

Standard Resistance:
Tester Connection Condition Specified Condition
A147-16 (LIN3) - A148-2 (LIN) Always Below 1 Ω
A148-2 (LIN), A147-16 (LIN3) or C96-3 (DOUT) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

4.CLEAR DTCS

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CLEAR DTCS
a.

Connect the GTS to the DLC3.


b.

Turn the power switch on (IG).


c.

Turn the GTS on.


d.

Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.


e.

Check for DTCs, and note down any DTCs that are output.

Powertrain > Hybrid Control > Trouble Codes
50001 397

f.

Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.


g.

Clear the DTCs.

Powertrain > Hybrid Control > Clear DTCs
50002 397

h.

Turn the power switch off and wait for 30 seconds or more.


Result:
Proceed to
NEXT



NEXT

5.CLEAR DTCS (AIR CONDITIONING SYSTEM)
5.CLEAR DTCS (AIR CONDITIONING SYSTEM)
a.

Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.


b.

Check for DTCs, and note down any DTCs that are output.

Body Electrical > Air Conditioner > Trouble Codes
50001 121

c.

Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.


d.

Clear the DTCs.

Body Electrical > Air Conditioner > Clear DTCs
50002 121

e.

Turn the power switch off and wait for 30 seconds or more.


Result:
Proceed to
NEXT



NEXT

6.CHECK FOR DTCS
6.CHECK FOR DTCS
a.

Turn the power switch on (READY) and wait for 17 minutes or more.


b.

Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.


c.

Check for DTCs.

Powertrain > Hybrid Control > Trouble Codes
50001 397

Result:
Result Proceed to
DTC P162B87 is output. A
DTCs are not output. B



A

7.CHECK FOR DTCS (AIR CONDITIONING SYSTEM)

B

CHECK FOR INTERMITTENT PROBLEMS

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


7.CHECK FOR DTCS (AIR CONDITIONING SYSTEM)
a.

Connect the GTS to the DLC3.


b.

Turn the power switch on (IG).


c.

Turn the GTS on.


d.

Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.


e.

Check for DTCs when the following conditions are met.

Body Electrical > Air Conditioner > Trouble Codes
50001 121

Result:
Result Proceed to
DTC B149887 is output. A
DTCs are not output. B



A

REPLACE HYBRID VEHICLE CONTROL ECU

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>HYBRID VEHICLE CONTROL ECU>REMOVAL


B

REPLACE BATTERY STATE SENSOR ASSEMBLY

Click herePower Source / Network>8ZR-FXE (BATTERY / CHARGING)>BATTERY CURRENT SENSOR>REMOVAL