RM3660EC _51 Engine / Hybrid System _080773 HYBRID / BATTERY CONTROL _0600291 PA10 HYBRID CONTROL SYSTEM(for LITHIUM-ION BATTERY) C

HYBRID / BATTERY CONTROL  PA10 HYBRID CONTROL SYSTEM(for LITHIUM-ION BATTERY)  U011187  Lost Communication with Hybrid/EV Battery Energy Control Module "A" Missing Message  


DESCRIPTION

The hybrid vehicle control ECU transmits and receives signals via CAN communication to and from the battery ECU assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate Note
U011187 Lost Communication with Hybrid/EV Battery Energy Control Module "A" Missing Message The hybrid vehicle control ECU cannot receive signals from the battery ECU assembly
(1 trip detection logic)
·

Battery ECU assembly

·

Hybrid vehicle control ECU

·

Wire harness or connector


Comes on Master Warning:
Comes on 		SAE Code:
U0111

CONFIRMATION DRIVING PATTERN

HINT:
·

After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>PA10 HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY)>UTILITY

·

When clearing the permanent DTCs, refer to the "CLEAR PERMANENT DTC" procedure.

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>PA10 HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY)>DTC CHECK / CLEAR



1.

Connect the GTS to the DLC3.

2.

Turn the ignition switch to ON and turn the GTS on.

3.

Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).

4.

Turn the ignition switch off and wait for 2 minutes or more.

5.

Turn the ignition switch to ON and turn the GTS on.

6.

Turn the ignition switch to ON (READY) and wait for 2 minutes or more. [*1]

HINT:

[*1] : Normal judgment procedure.

The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.


7.

Enter the following menus: Powertrain / Hybrid Control / Utility / All Readiness.

8.

Check the DTC judgment result.

HINT:
·

If the judgment result shows NORMAL, the system is normal.

·

If the judgment result shows ABNORMAL, the system has a malfunction.

·

If the judgment result shows INCOMPLETE, perform the normal judgment procedure again.




WIRING DIAGRAM

A520722E06
0.677,3.385 2.583,3.927 1.906,0.542 10 false Hybrid Vehicle Control ECU 5.5,4.156 6.99,4.385 1.49,0.229 10 false Battery ECU Assembly 0.75,0.344 2.438,0.698 1.688,0.354 10 false from Auxiliary Battery 0.656,5.323 2.938,5.531 2.281,0.208 10 false : CAN Communication Line 2.5,1.906 3.76,2.125 1.26,0.219 10 false IGCT-MAIN NO. 1 4.104,1.271 5.063,1.5 0.958,0.229 10 false IGCT NO. 2 1.302,1.646 2.26,1.875 0.958,0.229 10 false MREL 1.302,2.375 2.26,2.604 0.958,0.229 10 false CA4H 1.323,2.844 2.281,3.073 0.958,0.229 10 false CA4L 5.958,2.865 6.917,3.094 0.958,0.229 10 false CA1L 5.958,2.365 6.917,2.594 0.958,0.229 10 false CA1H 5.969,1.135 6.927,1.365 0.958,0.229 10 false IGCT 1.771,1.521 2.729,1.75 0.958,0.229 10 false 10 2.75,1.521 3.708,1.75 0.958,0.229 10 false 1 3.344,1.521 4.302,1.75 0.958,0.229 10 false 2 2.75,1.042 3.708,1.271 0.958,0.229 10 false 5 3.344,1.042 4.302,1.271 0.958,0.229 10 false 3 4.677,1.01 5.635,1.24 0.958,0.229 10 false 2 4.188,1.01 5.146,1.24 0.958,0.229 10 false 1 5.688,1.031 6.646,1.26 0.958,0.229 10 false 12 5.677,2.208 6.635,2.438 0.958,0.229 10 false 22 5.677,2.708 6.635,2.938 0.958,0.229 10 false 21 1.833,2.198 2.792,2.427 0.958,0.229 10 false 9 1.813,2.708 2.771,2.938 0.958,0.229 10 false 22 0.677,3.188 1.635,3.417 0.958,0.229 10 false I3 5.969,0.375 6.927,0.604 0.958,0.229 10 false AM 5.667,0.25 6.625,0.479 0.958,0.229 10 false 24 4.167,0.219 5.125,0.448 0.958,0.229 10 false 1 4.646,0.219 5.604,0.448 0.958,0.229 10 false 2 4.021,0.542 4.979,0.771 0.958,0.229 10 false ECU-B NO. 2 5.948,3.375 6.906,3.604 0.958,0.229 10 false GND 5.5,3.969 5.969,4.135 0.469,0.167 10 false O167 5.677,3.26 6.635,3.49 0.958,0.229 10 false 10 0.698,1.115 2.385,1.469 1.688,0.354 10 false from Auxiliary Battery 2.302,4.698 4.417,5.021 2.115,0.323 10 false Inverter with Converter Assembly 2.302,4.5 2.917,4.698 0.615,0.198 10 false A141 2.958,3.646 3.417,3.844 0.458,0.198 10 false CNH 2.99,4.146 3.448,4.344 0.458,0.198 10 false CNL 3.365,3.469 3.521,3.667 0.156,0.198 10 false 5 3.375,4 3.531,4.198 0.156,0.198 10 false 4

CAUTION / NOTICE / HINT

CAUTION:

Refer to the precautions before inspecting high voltage circuit.

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>PA10 HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY)>PRECAUTION


NOTICE:
·

To prevent the key from being locked in the vehicle, make sure to enter e-latch inspection mode and enable the manual release handle before disconnecting the cable from the negative (-) auxiliary battery terminal.

Click here

·

After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.

Click hereGeneral>SETUP>WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL>BEFORE DISCONNECTING BATTERY

·

When disconnecting and reconnecting the auxiliary battery

HINT:

When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

Click hereGeneral>SETUP>WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL>AUTOMATIC LEARNING CHART




PROCEDURE

1.CHECK DTC OUTPUT (HV BATTERY)
a.

Check and record any HV Battery DTCs and freeze frame data. Check for DTCs.

Powertrain > HV Battery > Trouble Codes
50001 398
Result:
Result Proceed to
DTCs related to Hybrid Battery System are not output. A
DTCs related to Hybrid Battery System are output. B



b.

Turn the ignition switch off.



A

2.CHECK BATTERY ECU ASSEMBLY (IGCT VOLTAGE)

B

GO TO DTC CHART (HYBRID BATTERY SYSTEM)

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>PA10 HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY)>DIAGNOSTIC TROUBLE CODE CHART


2.CHECK BATTERY ECU ASSEMBLY (IGCT VOLTAGE)
CAUTION:

Be sure to wear insulated gloves.


a.

Check that the service plug grip is not installed.

NOTICE:

After removing the service plug grip, do not turn the ignition switch to ON (READY), unless instructed by the repair manual because this may cause a malfunction.



b.
A523832N06
2.375,0.854 2.813,1.125 0.438,0.271 2.396,0.875 2.781,1.083 0.385,0.208 10 true O167

Disconnect the battery ECU assembly connector.

NOTICE:
·

Before disconnecting the connector, check that it is not loose or disconnected.

·

Check the terminals of the connector for deformation and corrosion.




c.

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

Standard Voltage:
Tester Connection Condition Specified Condition
O167-24 (AM) - O167-10 (GND) Ignition switch off 11 to 14 V



d.

Connect the cable to the negative (-) auxiliary battery terminal.


e.

Turn the ignition switch to ON.


f.

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

Standard Voltage:
Tester Connection Condition Specified Condition
O167-12 (IGCT) - O167-10 (GND) Ignition switch ON 11 to 14 V


NOTICE:
·

Turning the ignition switch to ON with the service plug grip removed causes other DTCs to be stored. Clear the DTCs after performing this inspection.

·

If the ignition switch is turned to ON with the connectors disconnected, other DTCs will be stored. Be sure to clear the DTCs after the inspection.



HINT:

As there might be an intermittent malfunction in the battery ECU assembly power source circuit, inspect the following even if the measured voltage is as specified:

·

Installation condition of fuse(s) (before removing fuse(s)) (IGCT circuit)

·

Fuse condition (before and after removing fuse(s)) (IGCT circuit)

·

Connection condition of connectors (IGCT circuit)

·

Wire harness condition (IGCT circuit)

·

Wire harness condition (GND circuit)




g.

Turn the ignition switch off.


h.

Disconnect the cable from the negative (-) auxiliary battery terminal.


i.

Reconnect the battery ECU assembly connector.


Result:
Proceed to
OK
NG



OK

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

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY ECU ASSEMBLY POWER SOURCE CIRCUIT)

3.CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - BATTERY ECU ASSEMBLY)
CAUTION:

Be sure to wear insulated gloves.


a.

Check that the service plug grip is not installed.

NOTICE:

After removing the service plug grip, do not turn the ignition switch to ON (READY), unless instructed by the repair manual because this may cause a malfunction.



b.

Disconnect the hybrid vehicle control ECU connector.

NOTICE:
·

Before disconnecting the connector, check that it is not loose or disconnected.

·

Check that each connector between the hybrid vehicle control ECU and battery ECU assembly is not loose or disconnected.




c.
A523832N06
2.375,0.854 2.813,1.125 0.438,0.271 2.396,0.875 2.781,1.083 0.385,0.208 10 true O167

Disconnect the battery ECU assembly connector.

NOTICE:
·

Before disconnecting the connector, check that it is not loose or disconnected.

·

Check the terminals of the connector for deformation and corrosion.




d.

Disconnect the inverter with converter assembly connector.

NOTICE:
·

Before disconnecting the connector, check that it is not loose or disconnected.

·

Check the terminals of the connector for deformation and corrosion.




e.

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

Standard Resistance:
Tester Connection Condition Specified Condition
O167-22 (CA1H) - I3-9 (CA4H) Ignition switch off Below 1 Ω
O167-21 (CA1L) - I3-22 (CA4L) Ignition switch off Below 1 Ω
I3-9 (CA4H) - Other terminals and body ground Ignition switch off 10 kΩ or higher
I3-22 (CA4L) - Other terminals and body ground Ignition switch off 10 kΩ or higher


NOTICE:

Make sure that each connector between the battery ECU assembly and hybrid vehicle control ECU is not loose or disconnected and its terminals are not deformed or corroded.



f.

Connect the cable to the negative (-) auxiliary battery terminal.


g.

Turn the ignition switch to ON.


h.

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

Standard Voltage:
Tester Connection Condition Specified Condition
O167-22 (CA1H) - Body ground Ignition switch ON Below 1 V
O167-21 (CA1L) - Body ground Ignition switch ON Below 1 V


NOTICE:
·

Turning the ignition switch to ON with the service plug grip removed causes other DTCs to be stored. Clear the DTCs after performing this inspection.

·

If the ignition switch is turned to ON with the connectors disconnected, other DTCs will be stored. Be sure to clear the DTCs after the inspection.




i.

Turn the ignition switch off.


j.

Disconnect the cable from the negative (-) auxiliary battery terminal.


k.

Reconnect the inverter with converter assembly connector.


l.

Reconnect the battery ECU assembly connector.


m.

Reconnect the hybrid vehicle control ECU connector.


Result:
Proceed to
OK
NG



OK

4.CHECK HYBRID VEHICLE CONTROL ECU

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK HYBRID VEHICLE CONTROL ECU
CAUTION:

Be sure to wear insulated gloves.


a.

Check that the service plug grip is not installed.

NOTICE:

After removing the service plug grip, do not turn the ignition switch to ON (READY), unless instructed by the repair manual because this may cause a malfunction.



b.
A523832N06
2.375,0.854 2.813,1.125 0.438,0.271 2.396,0.875 2.781,1.083 0.385,0.208 10 true O167

Disconnect the battery ECU assembly connector.

NOTICE:
·

Before disconnecting the connector, check that it is not loose or disconnected.

·

Check the terminals of the connector for deformation and corrosion.




c.

Connect the cable to the negative (-) auxiliary battery terminal.


d.

Turn the ignition switch to ON.


e.

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

Standard Voltage:
Tester Connection Condition Specified Condition
O167-22 (CA1H) - O167-10 (GND) Ignition switch ON 2.5 to 3.5 V
O167-21 (CA1L) - O167-10 (GND) Ignition switch ON 1.5 to 2.5 V


NOTICE:
·

Turning the ignition switch to ON with the service plug grip removed causes other DTCs to be stored. Clear the DTCs after performing this inspection.

·

If the ignition switch is turned to ON with the connectors disconnected, other DTCs will be stored. Be sure to clear the DTCs after the inspection.




f.

Turn the ignition switch off.


g.

Disconnect the cable from the negative (-) auxiliary battery terminal.


h.

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

Standard Resistance:
Tester Connection Condition Specified Condition
O167-22 (CA1H) - O167-21 (CA1L) Ignition switch off 108 to 132 Ω



i.

Reconnect the battery ECU assembly connector.


Result:
Proceed to
OK
NG



OK

REPLACE BATTERY ECU ASSEMBLY

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>BATTERY ECU (for LITHIUM-ION BATTERY)>REMOVAL


NG

REPLACE HYBRID VEHICLE CONTROL ECU

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