DTC P0A82-123: Hybrid Battery Pack Cooling Fan 1 Performance / Stuck OFF: Procedure

B → See step   8 

A: Go to next step 

1. Check that the No. 1 hybrid battery intake duct and battery cooling blower are not disconnected, damaged, or clogged with foreign matter, and that the acoustical materials have not peeled.
   Fig 1: Identifying No. 1 Hybrid Battery Intake Duct

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   OK

   The duct and blower are not disconnected, damaged, or clogged with foreign matter and the acoustical materials have not peeled.

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   *1	No. 1 Hybrid Battery Intake Duct

NG → CORRECT THE PROBLEM 

OK: Go to next step 

1. Check that the service plug grip is not installed.
   NOTE:

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

2. Disconnect connector A21 from the power management control ECU. Refer to REMOVAL .
3. Remove the rear No. 1 floor board. Refer to REMOVAL - Step 8 .
4. Disconnect connector S14 from the battery cooling blower assembly.
   Fig 2: Identifying Battery Cooling Blower Assembly & S14 Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Measure the resistance according to the value(s) in the table below.
   Fig 3: Measuring Resistance Of Battery Cooling Blower Assembly With S14 Connector End View

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Specified Condition
   S14-3 (SI0) or A21-29 (SI0) - Body ground	10 kΩ or higher
   S14-3 (SI0) - A21-29 (SI0)	Below 1 Ω

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   *a	Front view of wire harness connector (to Battery Cooling Blower Assembly)
   *b	Rear view of wire harness connector (to Power Management Control ECU)

   NOTE:

   When taking a measurement with a tester, do not apply excessive force to the tester probe to avoid damaging the holder.

6. Connect the battery cooling blower assembly connector.
7. Install the rear No. 1 floor board.
8. Connect the power management control ECU connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Remove the power management control ECU. Refer to REMOVAL .
2. Measure the resistance according to the value(s) in the table below.
   Fig 4: Checking Power Management Control ECU For Short To Ground

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Specified Condition
   A21-29 (SI0) - L5-5 (E01)	10 kΩ or higher
   A21-29 (SI0) - L6-5 (E02)	10 kΩ or higher

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   *a	Component without harness connected (Power Management Control ECU)

3. Install the power management control ECU.

NG → See step   9 

OK: Go to next step 

1. Check that the service plug grip is not installed.
   NOTE:

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

2. Remove the rear No. 1 floor board. Refer to REMOVAL - Step 8 .
3. Connect the cable to the negative (-) auxiliary battery terminal.
4. Connect the Techstream to the DLC3.
5. Turn the power switch on (IG).
   NOTE:

   • After removing the service plug grip, do not turn the power switch on (READY) unless instructed by the repair procedures, because this may cause a malfunction.
   • If the power switch is turned on (IG) with the service plug grip removed, DTC P0A0D-350 for the interlock switch system will be stored. If this DTC is output, clear the DTC using the Techstream. Refer to DTC CHECK / CLEAR .
6. Enter the following menus: Powertrain / Hybrid Control / Active Test / Driving the Battery Cooling Fan.
   NOTE:

   If the Active Test cannot be performed, skip it and proceed to the next step to check voltage. In accordance with fail-safe system operation, the power management control ECU sends a command to operate the battery cooling fan.

7. Enter the following menus: All Data / VMF Fan Motor Voltage 1.
8. Select each air volume mode (1 to 6) in the "Driving the Battery Cooling Fan" Active Test to operate the battery cooling blower assembly.
9. While the cooling fan is operating, compare the value in the data list (VMF Fan Motor Voltage 1) with the voltage value that was actually measured at the battery cooling blower assembly connector.
   Fig 5: Measuring Voltage Of Battery Cooling Fan Assembly While Fan Is Operating

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard

   Tester Connection	Condition	Specified Condition
   S14-2 (VM0) - S14-4 (GND0)	Battery cooling blower is operating	Difference between the value in the Data List (VMF Fan Motor Voltage 1) and the actual measurement value is 1 V or less.

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   *a	Component with harness connected (Battery Cooling Blower Assembly)
   *b	Rear view of wire harness connector (to Battery Cooling Blower Assembly)

   NOTE:

   Turning the power switch on (IG) with the service grip removed causes other DTCs to be stored. Clear the DTCs after performing this inspection.

   HINT: 

   Compare the values in each air volume mode (1 to 6). If the active test cannot be performed, compare the values only in the current air volume mode.

10. Disconnect the cable from the negative (-) auxiliary battery terminal.
11. Install the rear No. 1 floor board.

NG → See step   6 

OK → See step   7