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Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Hybrid Battery Control System - Service Information (6 Of 7)) >> HV RELAY ASSEMBLY (for LITHIUM-ION BATTERY) >> Inspection [06/2020 - ] >> Procedure

Inspection [06/2020 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSPECT HV BATTERY JUNCTION BLOCK ASSEMBLY 
    1. Inspect SMRB:
      1. Measure the resistance according to the value(s) in the table below.
        GTY1000294Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Component without harness connected
        (HV Battery Junction Block Assembly)        		 - -

        Standard Resistance

        Tester Connection Condition Specified Condition
        z32-1 (+) - Y3-1 (CBI) Auxiliary battery voltage not applied between terminals M32-1 (SMRB) and M32-3 (GND) 10 kΩ or higher
        z32-1 (+) - Y3-1 (CBI) Auxiliary battery voltage applied between terminals M32-1 (SMRB) and M32-3 (GND) Below 1 Ω
      2. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        M32-1 (SMRB) - M32-3 (GND) -40 to 80°C (-40 to 176°F) 25.0 to 59.0 Ω

        If the result is not as specified, replace the HV battery junction block assembly.

    2. Inspect SMRG:
      1. Measure the resistance according to the value(s) in the table below.
        GTY1000302Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Component without harness connected
        (HV Battery Junction Block Assembly)        		 - -

        Standard Resistance

        Tester Connection Condition Specified Condition
        z21-1 (-) - Y4-1 (CEI) Auxiliary battery voltage not applied between terminals M32-4 (SMRG) and M32-3 (GND) 10 kΩ or higher
        z21-1 (-) - Y4-1 (CEI) Auxiliary battery voltage applied between terminals M32-4 (SMRG) and M32-3 (GND) Below 1 Ω
      2. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        M32-4 (SMRG) - M32-3 (GND) -40 to 80°C (-40 to 176°F) 25.0 to 59.0 Ω

        If the result is not as specified, replace the HV battery junction block assembly.

    3. Inspect SMRP:
      1. Measure the resistance according to the value(s) in the table below.
        GTY1000304Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Component without harness connected
        (HV Battery Junction Block Assembly)        		 - -

        Standard Resistance

        Tester Connection Condition Specified Condition
        z21-1 (-) - Y4-1 (CEI) Auxiliary battery voltage not applied between terminals M32-2 (SMRP) and M32-3 (GND) 10 kΩ or higher
        z21-1 (-) - Y4-1 (CEI) Auxiliary battery voltage applied between terminals M32-2 (SMRP) and M32-3 (GND) 24.3 to 29.7 Ω
      2. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        M32-2 (SMRP) - M32-3 (GND) -40 to 80°C (-40 to 176°F) 140 to 290 Ω

        If the result is not as specified, replace the HV battery junction block assembly.

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