DTC    P0A85-123    Hybrid Battery Pack Cooling Fan 1 Control Circuit High

for Preparation Click here

DESCRIPTION

1. Refer to the description for DTC P0A84-123 (Click here).
   

WIRING DIAGRAM

INSPECTION PROCEDURE

CAUTION:

1. Before inspecting or servicing the high-voltage system, be sure to follow all safety measures, such as wearing insulated gloves and removing the 3 service plug grips to prevent electrocution. Carry one of the 3 removed service plug grips in your pocket to prevent other technicians from accidentally reconnecting it while you are servicing the vehicle. Keep the other 2 service plug grips in a secure place.
   
2. After removing the service plug grips, wait for at least 10 minutes before touching any of the high-voltage connectors or terminals. After waiting for 10 minutes, check the voltage at the terminals in the inspection point in the inverter with converter assembly. The voltage should be 0 V before beginning work.
   

HINT:

Waiting for at least 10 minutes is required to discharge the high-voltage capacitor inside the inverter with converter assembly and the electric vehicle charger assembly.

1. Connect the intelligent tester to the DLC3.
   

2. Turn the power switch on (IG).
   

3. Enter the following menus: Powertrain / HV Battery / Trouble Codes.
   

4. Read output DTCs.
   

   Result 

   Result	Proceed to
   P0AFC-123 is not output	A
   P0AFC-123 is also output	B

5. Turn the power switch off.
   

6. Disconnect the intelligent tester from the DLC3.
   

B	GO TO DTC CHART (Click here)

A

CAUTION:

Be sure to wear insulated gloves and protective goggles.

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

2. Check that the 3 service plug grips are not installed.
   

   CAUTION:

   Be sure to remove the 3 service plug grips before beginning work.

   NOTICE:

   After removing the service plug grips, do not turn the power switch on (READY), unless instructed by the repair manual because this may cause a malfunction.

3. Remove the upper hybrid battery cover sub-assembly.
   

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

5. Connect the intelligent tester to the DLC3.
   

6. Turn the power switch on (IG).
   

   NOTICE:

   1. After removing the service plug grips, do not turn the power switch on (READY), unless instructed by the repair manual because this may cause a malfunction.
      
   2. If the power switch is turned on (IG) with the service plug grips removed, DTCs will be stored. If DTCs are stored, clear them using the intelligent tester.
      

7. Enter the following menu items: Powertrain / HV Battery / Active Test / Driving the Battery Cooling Fan.
   

8. Select each air volume mode (1 to 6) in the Battery Cooling Fan active test to operate the battery cooling blower assembly.
   

9. Measure the voltage according to the value(s) in the table below while the cooling fan is operating.
   

   Standard Voltage:

   Tester Connection	Switch Condition	Specified Condition
   c5-12 (VM) - c5-6 (GND)	Power switch on (IG)	5 V or less

   Text in Illustration 

   *a	Component with harness connected (Battery Smart Unit (Main))

   NOTICE:

   If the power switch is turned on (IG) with the service plug grips removed, DTCs will be stored. If DTCs are stored, clear them using the intelligent tester.

   HINT:

   Compare the values in each air volume mode (1 to 6).

10. Turn the power switch off.
    

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

12. Install the upper hybrid battery cover sub-assembly.
    

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

NG	Go to step 6

OK

CAUTION:

Be sure to wear insulated gloves and protective goggles.

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

2. Check that the 3 service plug grips are not installed.
   

   CAUTION:

   Be sure to remove the 3 service plug grips before beginning work.

   NOTICE:

   After removing the service plug grips, do not turn the power switch on (READY), unless instructed by the repair manual because this may cause a malfunction.

3. Remove the upper hybrid battery cover sub-assembly.
   

4. Disconnect connectors c5, m1 and m2 from the battery smart unit (main).
   

5. Measure the resistance according to the conditions and value(s) in the tables below.
   

   
   
   
   
   

   Text in Illustration 

   *a

   Rear view of wire harness connector (to Battery Smart Unit (Main))

   -

   -

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   m1-4 (TB0) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m1-4 (TB0) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m1-3 (TB1) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m1-3 (TB1) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m1-2 (TB2) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m1-2 (TB2) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m1-1 (TB3) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m1-1 (TB3) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-16 (TB4) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-16 (TB4) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-15 (TB5) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-15 (TB5) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-14 (TB6) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-14 (TB6) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-13 (TB7) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-13 (TB7) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-11 (TB8) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-11 (TB8) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-10 (TB9) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-10 (TB9) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-9 (TB10) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-9 (TB10) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-8 (TB11) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-8 (TB11) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m1-8 (GB0) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m1-8 (GB0) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m1-7 (GB1) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m1-7 (GB1) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m1-6 (GB2) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m1-6 (GB2) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m1-5 (GB3) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m1-5 (GB3) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-26 (GB4) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-26 (GB4) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-25 (GB5) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-25 (GB5) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-24 (GB6) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-24 (GB6) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-23 (GB7) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-23 (GB7) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-21 (GB8) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-21 (GB8) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-20 (GB9) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-20 (GB9) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-19 (GB10) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-19 (GB10) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-18 (GB11) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-18 (GB11) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-17 (TC0) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-17 (TC0) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-12 (TC1) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-12 (TC1) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-27 (GC0) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-27 (GC0) - c5-3 (AM)	Power switch off	10 kΩ or higher
   m2-22 (GC1) - c5-9 (IGCT)	Power switch off	10 kΩ or higher
   m2-22 (GC1) - c5-3 (AM)	Power switch off	10 kΩ or higher

6. Connect the battery smart unit (main) connectors.
   

7. Install the upper hybrid battery cover sub-assembly.
   

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

NG	REPLACE HV BATTERY (Click here)

OK

CAUTION:

Be sure to wear insulated gloves and protective goggles.

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

2. Check that the 3 service plug grips are not installed.
   

   CAUTION:

   Be sure to remove the 3 service plug grips before beginning work.

   NOTICE:

   After removing the service plug grips, do not turn the power switch on (READY), unless instructed by the repair manual because this may cause a malfunction.

3. Remove the upper hybrid battery cover sub-assembly.
   

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

5. Turn the power switch on (IG).
   

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

   Standard Voltage:

   Tester Connection	Switch Condition	Specified Condition
   c5-1 (VIB0) - c5-7 (GIB0)	Power switch on (IG)	4.6 to 5.4 V

   Text in Illustration 

   *a	Component with harness connected (Battery Smart Unit (Main))

   NOTICE:

   1. After removing the service plug grips, do not turn the power switch on (READY), unless instructed by the repair manual because this may cause a malfunction.
      
   2. If the power switch is turned on (IG) with the service plug grips removed, DTCs will be stored. If DTCs are stored, clear them using the intelligent tester.
      

7. Turn the power switch off.
   

8. Install the upper hybrid battery cover sub-assembly.
   

NG	REPLACE BATTERY SMART UNIT (MAIN) (Click here)

OK

CAUTION:

Be sure to wear insulated gloves and protective goggles.

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

2. Check that the 3 service plug grips are not installed.
   

   CAUTION:

   Be sure to remove the 3 service plug grips before beginning work.

   NOTICE:

   After removing the service plug grips, do not turn the power switch on (READY), unless instructed by the repair manual because this may cause a malfunction.

3. Remove the upper hybrid battery cover sub-assembly.
   

4. Disconnect connector c6 from the hybrid battery junction block assembly (main).
   

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

6. Turn the power switch on (IG).
   

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

   Standard Voltage:

   Tester Connection	Switch Condition	Specified Condition
   c6-1 (VIB0) - c6-3 (GIB0)	Power switch on (IG)	4.6 to 5.4 V

   Text in Illustration 

   *a	Front view of wire harness connector (to Hybrid Battery Junction Block Assembly (Main))

   NOTICE:

   1. After removing the service plug grips, do not turn the power switch on (READY), unless instructed by the repair manual because this may cause a malfunction.
      
   2. If the power switch is turned on (IG) with the service plug grips removed, DTCs will be stored. If DTCs are stored, clear them using the intelligent tester.
      

8. Turn the power switch off.
   

9. Connect the hybrid battery junction block assembly (main) connector.
   

10. Install the upper hybrid battery cover sub-assembly.
    

NG	Go to step 9

OK
REPLACE HYBRID BATTERY JUNCTION BLOCK ASSEMBLY (MAIN) (Click here)

1. Remove the rear deck trim cover.
   

2. Connect the intelligent tester to the DLC3.
   

3. Turn the power switch on (IG).
   

4. Enter the following menu items: Powertrain / HV Battery / Active Test / Driving the Battery Cooling Fan.
   

5. Select each air volume mode (1 to 6) in the Battery Cooling Fan active test to operate the battery cooling blower assembly.
   

   HINT:

   Check Cooling Fan Mode1 in the Data List. If the mode is 6, it is not necessary to perform the Active Test.

6. Enter the following menus: All Data / VMF Fan Motor Voltage 1, Bat No.2 Fan Mtr V1 and Bat No.3 Fan Mtr V1.
   

7. Check that the Data List value (VMF Fan Motor Voltage 1) is abnormal while operating the cooling fans (battery cooling blower assemblies). (*1)
   

8. Turn the power switch off.
   

9. Switch the battery cooling blower assembly (main) with one of the other battery cooling blower assemblies (Click here).
   

   Text in Illustration 

   *1	Battery Cooling Blower Assembly (Main)

10. Turn the power switch on (IG).
    

11. Enter the following menu items: Powertrain / HV Battery / Active Test / Driving the Battery Cooling Fan.
    

12. Select each air volume mode (1 to 6) in the Battery Cooling Fan active test to operate the battery cooling blower assembly.
    

    HINT:

    Check Cooling Fan Mode1 in the Data List. If the mode is 6, it is not necessary to perform the Active Test.

13. Enter the following menus: All Data / VMF Fan Motor Voltage 1, Bat No.2 Fan Mtr V1 and Bat No.3 Fan Mtr V1.
    

14. Check if the blower assembly (from *1 above) malfunctions in a different location while operating the cooling fans (battery cooling blower assemblies) using the Active Test.
    

    Result:

    Result	Proceed to
    Malfunction is not reproduced in same blower when it is moved to another location	A
    Malfunction is reproduced in same blower when it is moved to another location	B

15. Disconnect the intelligent tester from the DLC3.
    

16. Turn the power switch off.
    

17. Return the battery cooling blower assemblies to their original positions.
    

B	REPLACE BATTERY COOLING BLOWER ASSEMBLY (MAIN) (Click here)

A

CAUTION:

Be sure to wear insulated gloves and protective goggles.

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

2. Check that the 3 service plug grips are not installed.
   

   CAUTION:

   Be sure to remove the 3 service plug grips before beginning work.

   NOTICE:

   After removing the service plug grips, do not turn the power switch on (READY), unless instructed by the repair manual because this may cause a malfunction.

3. Remove the upper hybrid battery cover sub-assembly.
   

4. Disconnect connector c5 from the battery smart unit (main).
   

5. Disconnect the battery cooling blower assembly (main) connector.
   

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

   Standard Resistance (Check for Open):

   Tester Connection	Switch Condition	Specified Condition
   R38-2 (VM0) - c5-12 (VM)	Power switch off	Below 1 Ω

   Standard Resistance (Check for Short):

   Tester Connection	Switch Condition	Specified Condition
   R38-2 (VM0) or c5-12 (VM) - R38-1 (IG0)	Power switch off	10 kΩ or higher

   Text in Illustration 

   *a	Rear view of wire harness connector (to Battery Smart Unit (Main))
   *b	Front view of wire harness connector (to Battery Cooling Blower Assembly (Main))

7. Connect the battery cooling blower assembly (main) connector.
   

8. Connect the battery smart unit (main) connector.
   

9. Install the upper hybrid battery cover sub-assembly.
   

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

NG	Go to step 8

OK
REPLACE BATTERY SMART UNIT (MAIN) (Click here)

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

2. Remove the rear deck trim cover.
   

3. Disconnect connector Rc1 from the HV battery.
   

4. Disconnect connector R38 from the battery cooling blower assembly (main).
   

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

   Standard Resistance (Check for Open):

   Tester Connection	Switch Condition	Specified Condition
   Rc1-13 (VM) - R38-2 (VM0)	Power switch off	Below 1 Ω

   Standard Resistance (Check for Short):

   Tester Connection	Switch Condition	Specified Condition
   Rc1-13 (VM) or R38-2 (VM0) - R38- 1 (IG0)	Power switch off	10 kΩ or higher

   Text in Illustration 

   *a	Front view of wire harness connector (to HV Battery)
   *b	Front view of wire harness connector (to Battery Cooling Blower Assembly (Main))

   HINT:

   When the result is OK, an open in the VM circuit between the battery smart unit (main) and connector Rc1 is suspected. However, because the battery harness is not available as a supply part, if the harness cannot be repaired, replace the HV battery.

6. Connect the battery cooling blower assembly (main) connector.
   

7. Connect the HV battery connector.
   

8. Install the rear deck trim cover.
   

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

NG	REPAIR OR REPLACE HARNESS OR CONNECTOR

OK
REPAIR HARNESS OR CONNECTOR OR REPLACE HV BATTERY

CAUTION:

Be sure to wear insulated gloves and protective goggles.

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

2. Check that the 3 service plug grips are not installed.
   

   CAUTION:

   Be sure to remove the 3 service plug grips before beginning work.

   NOTICE:

   After removing the service plug grips, do not turn the power switch on (READY), unless instructed by the repair manual because this may cause a malfunction.

3. Remove the upper hybrid battery cover sub-assembly.
   

4. Disconnect connector c5 from the battery smart unit (main).
   

5. Disconnect only connector c6 from the hybrid battery junction block assembly (main).
   

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   c5-1 (VIB0) - c6-1 (VIB0)	Power switch off	Below 1 Ω
   c5-7 (GIB0) - c6-3 (GIB0)	Power switch off	Below 1 Ω

   Text in Illustration 

   *a	Rear view of wire harness connector (to Battery Smart Unit (Main))
   *b	Front view of wire harness connector (to Hybrid Battery Junction Block Assembly (Main))

   HINT:

   When the result is NG, an open in the VIB or GIB circuit between the battery smart unit (main) and battery junction block assembly (main) (current sensor) is suspected. However, because the battery harness is not available as a supply part, if the harness cannot be repaired, replace the HV battery

7. Connect the hybrid battery junction block assembly (main) connector.
   

8. Connect the battery smart unit (main) connector.
   

9. Install the upper hybrid battery cover sub-assembly.
   

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

NG	REPAIR HARNESS OR CONNECTOR OR REPLACE HV BATTERY

OK
REPLACE BATTERY SMART UNIT (MAIN) (Click here)