RX400h · Service Manual HYBRID SYSTEM

P0AD0 When the speed of the battery blower assembly is not within the target range speed (1 trip detection)

Diagnostic trouble codes

DESCRIPTION

  1. Refer to the wiring diagram for DTC P0A84. (Click here)
DTC No.
 DTC Detection Condition
 Trouble Area
P0AD0
 When the speed of the battery blower assembly is not within the target range speed (1 trip detection)
  1. Battery cooling blower assembly (No.2)
  2. Battery smart unit

INSPECTION PROCEDURE


1. READ OUTPUT DTC

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch to the ON position.

  1. Select the following menu items: Powertrain / Hybrid Control / DTC.

  1. Read output DTCs. (Click here)

    Result:
    DTC output
    		 Proceed to
    P0AD0 only is output
    		 A
    P0A1F is output
    		 B
    Any of P0A84, P0A85, P0A99, P0A9A, P0AD2 and P0AD3 are output
    		 C



B
REPLACE BATTERY SMART UNIT

C
GO TO DTC CHART
A


2. CHECK BATTERY COOLING BLOWER ASSEMBLY (NO.2)

CAUTION:
Be sure to wear insulated gloves and protective goggles.

  1. Connect the intelligent tester to the DLC3.

  1. Select the following menu items: Powertrain / Hybrid Control / Data List / VMF Fan Voltage 1 to 3 and Batt Temp 1 to 8.

    HINT:
    Easier to see the change in the VMF Fan Voltage when displayed in the line chart.

  1. Perform a driving test and check that there is a malfunction in the VMF Fan Voltage 3 while the battery cooling blower No.2 is operating. (*1)

    HINT:
    1. The fan operates when the battery temperature is approximately 36°C (97°F) or more.
    2. VMF Fan Voltage 3 in the Data List represents the battery cooling blower assembly (No.2) voltage.

  1. A108229
    Remove the battery cover and replace the battery cooling blower assembly No.2 with the battery cooling blower assembly No.0 or No.1. (Click here)

  1. Install the battery cover. (Click here)

  1. Select the following menu items: Powertrain / Hybrid Control / Data List / VMF Fan Voltage 1 to 3 and / Batt Temp 1 to 8.

    HINT:
    Easier to see the change in the VMF Fan Voltage when displayed in the line chart.

  1. Perform a driving test and check that the malfunction in (*1) is reproduced in the battery cooling blower No.0 or No.1.

    Standard:
    The malfunction is reproduced in another battery cooling blower.

    HINT:
    The battery cooling blower operates when the battery temperature is approximately 36°C (97°F) or more.



 YES
REPLACE BATTERY COOLING BLOWER ASSEMBLY (NO.2)
NO

REPLACE BATTERY SMART UNIT


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