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Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Hybrid Control System (Diagnostic Codes) (4 Of 5)) >> Hybrid Control System >> DTC P314A-31: Motor Electronics Coolant Pump "A" No Signal [10/2018 - ] >> Procedure

DTC P314A-31: Motor Electronics Coolant Pump "A" No Signal [10/2018 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.
  1. CLEAR DTC 

    Refer to DTC P0688-1F: ECM/PCM Power Relay Sense Circuit Intermittent [10/2018 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. PERFORM ACTIVE TEST USING TECHSTREAM (ACTIVATE THE INVERTER WATER PUMP) 
    NOTE:
    • Make sure that the HV coolant level is above the low line of the inverter reserve tank.
    • Be sure to perform the inspection with the auxiliary battery voltage at 11 V or more.
    • When the inverter water pump with motor assembly signal line (SWP - IWP) is open orits connection is faulty, the inverter water pump with motor assembly is operatedforcibly.

    HINT: 

    • When the auxiliary battery voltage is low, the inverter water pump with motor assembly may not operate.
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Powertrain / Hybrid Control / Active Test / Activate the Inverter Water Pump.
    4. Perform the "Activate the Inverter Water Pump" Active Test.

      Powertrain > Hybrid Control > Active Test 

      Tester Display
      Activate the Inverter Water Pump
    5. Touch the inverter water pump assembly and check that it is operating (vibrating).

      OK

      The inverter water pump is operating (vibrating).

      HINT: 

      Perform the Active Test with the inverter coolant temperature between -15 and 65°C (5 to 149°F).

    6. Turn the power switch off.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  9

    Result: 

    OK 

    See step  3

  3. CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONTROL ECU CONNECTOR) 

    Refer to PROCEDURE - Step 1

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    CONNECT SECURELY 

    Result: 

    OK 

    See step  4

  4. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WATER PUMP ASSEMBLY CONNECTOR) 

    Refer to PROCEDURE - Step 7

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    CONNECT SECURELY 

    Result: 

    OK 

    See step  5

  5. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - INVERTER WATER PUMP ASSEMBLY) 
    1. Disconnect the A46 hybrid vehicle control ECU connector.
    2. Disconnect the A3 inverter water pump assembly connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY826049Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Hybrid Vehicle Control ECU)
      *b Front view of wire harness connector
      (to Inverter Water Pump Assembly)

      Standard Resistance (Check for Open)

      Tester Connection Switch Condition Specified Condition
      A46-33 (NIWP) - A3-2 (NWP) Power switch off Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection Switch Condition Specified Condition
      A46-33 (NIWP) or A3-2 (NWP) -Body ground and other terminals Power switch off 10 kΩ or higher

      HINT: 

      Check the condition (looseness, deterioration, etc.) of the wire to body ground for the inverter water pump assembly.

    4. Reconnect the A3 inverter water pump assembly connector.
    5. Reconnect the A46 hybrid vehicle control ECU connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  6

  6. CHECK HYBRID VEHICLE CONTROL ECU 
    1. Disconnect the A3 inverter water pump assembly connector.
    2. Turn the power switch on (IG).
    3. Measure the voltage according to the value(s) in the table below.
      GTY830638Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Hybrid Vehicle Control ECU)      		 - -

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      A46-33 (NIWP) - F59-3 (E1) Power switch on (IG) 11 to 14 V
    4. Turn the power switch off.
    5. Reconnect the A3 inverter water pump assembly connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

    Result: 

    OK 

    See step  7

  7. CLEAR DTC 

    Refer to PROCEDURE - Step 3

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  8

  8. PERFORM ACTIVE TEST USING TECHSTREAM (ACTIVATE THE INVERTER WATER PUMP) 
    NOTE:

    Be sure to perform the inspection with the auxiliary battery voltage at 11 V or more.

    HINT: 

    When the auxiliary battery voltage is low, the inverter water pump assembly may not operate.

    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Powertrain / Hybrid Control / Active Test / Activate the Inverter Water Pump.
    4. Perform the "Activate the Inverter Water Pump" Active Test.

      Powertrain > Hybrid Control > Active Test 

      Tester Display
      Activate the Inverter Water Pump
    5. Connect an oscilloscope between the hybrid vehicle control ECU terminals specified in the table below, and measure the waveform.
      GTY830969Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Hybrid Vehicle Control ECU)      		 - -
      Item Content
      Terminal A46-33 (NIWP) - F59-3 (E1)
      Equipment Setting 5 V/DIV., 5 ms./DIV.
      Condition Power switch on (IG), during Active Test

      OK

      The period of the wavelength is 13 msec or less.

    6. Turn the power switch off.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

    Result: 

    NG 

    See step  15

  9. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WATER PUMP ASSEMBLY CONNECTOR) 

    Refer to PROCEDURE - Step 7

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    CONNECT SECURELY (INVERTER WATER PUMP ASSEMBLY CONNECTOR) 

    Result: 

    OK 

    See step  10

  10. CHECK INSTALLATION CONDITION (INV W/PMP RELAY) 
    1. Check installation condition of the INV W/PMP relay.
      GTY833162Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block
      *2 INV W/PMP Relay

      OK

      INV W/PMP relay is installed correctly.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  17

    Result: 

    OK 

    See step  11

  11. CHECK HARNESS AND CONNECTOR (IGCT RELAY - INV W/PMP RELAY) 
    1. Remove the IGCT relay from the No. 3 relay block.
      GTY799119Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 3 Relay Block
      *2 IGCT Relay Holder
    2. Remove the INV W/PMP relay from the No. 1engine room relay block.
      GTY796488Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block
      *2 INV W/P Relay
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      5 (IGCT relay) - 1 (INV W/PMP relay) Power switch off Below 1 Ω
      NOTE:

      Do not apply excessive force when using the probes of the tester to perform the inspection. If excessive force is used, the terminals will be damaged.

      HINT: 

      • Connectors

        Slightly shake the connector vertically and horizontally.

      • Wire Harness

        Slightly shake the wire harness vertically and horizontally.

        The connector joint and fulcrum of the vibration are the major areas that should be checked thoroughly.

      • No. 3 Relay Block

        Apply slight vibration with a finger to the No. 3 relay block and check whether a malfunction occurs.

      • No. 1 Engine Room Relay Block

        Apply slight vibration with a finger to the No. 1 engine room relay block and check whether a malfunction occurs.

      • INV W/PMP NO. 2 fuse

        Apply slight vibration with a finger to the INV W/PMP NO. 2 fuse and check whether a malfunction occurs.

      GTY810642Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Example
      *b Shake Slightly
      *c Vibrate Slightly
    4. Install the IGCT relay and INV W/PMP relay.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  18

    Result: 

    OK 

    See step  12

  12. INSPECT RELAY (INV W/PMP) 
    1. Remove the INV W/PMP relay from the No. 1 engine room relay block.
      GTY802080Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block
      *2 INV W/PMP Relay
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      3 - 5 Auxiliary battery voltage not applied between terminals 1 and 2 10 kΩ or higher
      Auxiliary battery voltage applied between terminals 1 and 2 Below 1 Ω
      GTY807030Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 INV W/PMP Relay
    3. Install the INV W/PMP relay.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  20

    Result: 

    OK 

    See step  13

  13. CHECK HARNESS AND CONNECTOR (INVERTER WATER PUMP ASSEMBLY - BODY GROUND) 
    GTY812462Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Front view of wire harness connector
    (to Inverter Water Pump Assembly)
    GTY810642Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Example
    *b Shake Slightly
    *c Vibrate Slightly
    1. Disconnect the A3 inverter water pump assembly connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      A3-4 (+BWP) - Body ground Power switch on (IG) 11 to 14 V
      NOTE:
      • If the power switch is turned on (IG) with the connectors disconnected, other DTCs will be stored. Be sure to clear the DTCs after the inspection.
      • Do not apply excessive force when using the probes of the tester to perform the inspection. If excessive force is used, the terminals will be damaged.

      HINT: 

      • Connectors

        Slightly shake the connector vertically and horizontally.

      • Wire Harness

        Slightly shake the wire harness vertically and horizontally.

        The connector joint and fulcrum of the vibration are the major areas that should be checked thoroughly.

      • No. 1 Engine Room Relay Block

        Apply slight vibration with a finger to the No. 1 engine room relay block and check whether a malfunction occurs.

      • INV W/PMP fuse

        Apply slight vibration with a finger to the INV W/PMP fuse and check whether a malfunction occurs.

      • INV W/PMP Relay

        Apply slight vibration with a finger to the INV W/PMP relay and check whether a malfunction occurs.

    3. Reconnect the A3 inverter water pump assembly connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  21

    Result: 

    OK 

    See step  14

  14. CHECK HARNESS AND CONNECTOR (INVERTER WATER PUMP ASSEMBLY - BODY GROUND) 
    1. Disconnect the A3 inverter water pump assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY812461Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Inverter Water Pump Assembly)

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      A3-1 (GND) - Body ground Power switch off Below 1 Ω
    3. Reconnect the A3 inverter water pump assembly connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  15

  15. REPLACE INVERTER WATER PUMP ASSEMBLY 

    Refer to REMOVAL [10/2018 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  16

  16. ADD HV COOLANT AND PERFORM AIR BLEEDING 
    1. After replacing the inverter water pump with motor assembly, add HV coolant and perform air bleeding.

      Refer to REPLACEMENT [10/2018 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    END 

  17. INSPECT RELAY (INV W/PMP) 
    1. Remove the INV W/PMP relay from the No. 1 engine room relay block.
      GTY802078Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block
      *2 INV W/PMP Relay
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      3 - 5 Auxiliary battery voltage not applied between terminals 1 and 2 10 kΩ or higher
      Auxiliary battery voltage applied between terminals 1 and 2 Below 1 Ω
      GTY807031Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 INV W/PMP Relay
    3. Install the INV W/PMP relay.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    CONNECT SECURELY (INV W/PMP RELAY) 

    Result: 

    NG 

    REPLACE RELAY (INV W/PMP) 

  18. CHECK INSTALLATION CONDITION (INV W/PMP NO. 2 FUSE) 
    1. Check installation condition of the INV W/PMP NO. 2 fuse.
      GTY785900Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 3 Relay Block
      *2 INV W/PMP NO. 2 Fuse

      OK

      INV W/PMP NO. 2 fuse is installed correctly.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  25

    Result: 

    OK 

    See step  19

  19. CHECK FUSE (INV W/PMP NO. 2) 
    1. Remove the INV W/PMP NO. 2 fuse from the No. 3 relay block.
      GTY785906Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 3 Relay Block
      *2 INV W/PMP NO. 2 Fuse
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      INV W/PMP NO. 2 fuse Always Below 1 Ω
    3. Install the INV W/PMP NO. 2 fuse.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (INV W/PMP NO. 2 FUSE HOLDER TERMINAL) 

    Result: 

    NG 

    See step  26

  20. CHECK RELAY HOLDER TERMINAL (INV W/PMP RELAY) 
    1. Check the terminals of the INV W/PMP relay holder.

      OK

      The terminals of the INV W/PMP relay holder are not bent, loose or corroded.

      GTY802076Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block
      *2 INV W/PMP Relay

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE RELAY (INV W/PMP) 

    Result: 

    NG 

    See step  27

  21. CHECK INSTALLATION CONDITION (INV W/PMP FUSE) 
    1. Check installation condition of the INV W/PMP fuse.

      OK

      INV W/PMP fuse is installed correctly.

      GTY784095Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block
      *2 INV W/PMP Fuse

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    CONNECT SECURELY (INV W/PMP FUSE) 

    Result: 

    OK 

    See step  22

  22. INSPECT RELAY (INV W/PMP) 
    1. Remove the INV W/PMP relay from the No. 1 engine room relay block.
      GTY802077Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block
      *2 INV W/PMP Relay
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      3 - 5 Auxiliary battery voltage not applied between terminals 1 and 2 10 kΩ or higher
      Auxiliary battery voltage applied between terminals 1 and 2 Below 1 Ω
      GTY834261Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 INV W/PMP Relay
    3. Install the INV W/PMP relay.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  30

    Result: 

    OK 

    See step  23

  23. CHECK HARNESS AND CONNECTOR (INVERTER WATER PUMP ASSEMBLY CIRCUIT) 
    1. Remove the INV W/PMP relay and INV W/PMP fuse from the No. 1 engine room relay block.
    2. Disconnect the A3 inverter water pump assembly connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY792937Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block *2 INV W/PMP Relay
      *3 INV W/PMP Fuse - -
      *a Front view of wire harness connector
      (to Inverter Water Pump Assembly)      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      A3-4 (+BWP) - 3 (INV W/PMP relay) Power switch off Below 1 Ω
      2 (INV W/PMP fuse) or A3-4 (+BWP) - Body ground and other terminals Power switch off 10 kΩ or higher
      NOTE:

      Do not apply excessive force when using the probes of the tester to perform the inspection. If excessive force is used, the terminals will be damaged.

    4. Reconnect the A3 inverter water pump assembly connector.
    5. Install the INV W/PMP relay and INV W/PMP fuse.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  24

  24. CHECK FUSE (INV W/PMP) 
    1. Remove the INV W/PMP fuse from the No. 1 engine room relay block.
      GTY784096Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block
      *2 INV W/PMP Fuse
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      INV W/PMP fuse Always Below 1 Ω
    3. Install the INV W/PMP fuse.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (INV W/PMP FUSE HOLDER TERMINAL OR INV W/PMP RELAY HOLDER TERMINAL) 

    Result: 

    NG 

    REPLACE FUSE (INV W/PMP) 

  25. INSPECT RELAY (INV W/PMP) 
    1. Remove the INV W/PMP relay from the No. 1 engine room relay block.
      GTY802079Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block
      *2 INV W/PMP Relay
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      3 - 5 Auxiliary battery voltage not applied between terminals 1 and 2 10 kΩ or higher
      Auxiliary battery voltage applied between terminals 1 and 2 Below 1 Ω
      GTY790533Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 INV W/PMP Relay
    3. Install the INV W/PMP relay.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    CONNECT SECURELY (INV W/PMP NO. 2 FUSE) 

    Result: 

    NG 

    See step  28

  26. CHECK FUSE HOLDER TERMINAL (INV W/PMP NO. 2 FUSE) 
    1. Check the terminals of the INV W/PMP NO. 2 fuse holder.
      GTY785907Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 3 Relay Block
      *2 INV W/PMP NO. 2 Fuse

      OK

      The terminals of the INV W/PMP NO. 2 fuse holder are not bent, loose or corroded.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE FUSE (INV W/PMP NO. 2) 

    Result: 

    NG 

    See step  29

  27. REPAIR OR REPLACE HARNESS OR CONNECTOR (INV W/PMP RELAY HOLDER TERMINAL) 
    1. Repair or replace the terminals of the INV W/PMP relay holder.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    REPLACE RELAY (INV W/PMP) 

  28. REPLACE RELAY (INV W/PMP) 
    1. Replace INV W/PMP relay.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    CONNECT SECURELY (INV W/PMP NO. 2 FUSE) 

  29. REPAIR OR REPLACE HARNESS OR CONNECTOR (INV W/PMP NO. 2 FUSE HOLDER TERMINAL) 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    REPLACE FUSE (INV W/PMP NO. 2) 

  30. CHECK RELAY HOLDER TERMINAL (INV W/PMP RELAY) 
    1. Check the terminals of the INV W/PMP relay holder.

      OK

      The terminals of the INV W/PMP relay holder are not bent, loose or corroded.

      GTY833159Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block
      *2 INV W/PMP Relay

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  32

    Result: 

    OK 

    See step  31

  31. CHECK FUSE (INV W/PMP NO. 2) 
    1. Remove the INV W/PMP NO. 2 fuse from the No. 3 relay block.
      GTY785908Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 3 Relay Block
      *2 INV W/PMP NO. 2 Fuse
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      INV W/PMP NO. 2 fuse Always Below 1 Ω
    3. Install the INV W/PMP NO. 2 fuse.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE RELAY (INV W/PMP) 

    Result: 

    NG 

    See step  34

  32. CHECK FUSE (INV W/PMP NO. 2) 
    1. Remove the INV W/PMP NO. 2 fuse from the No. 3 relay block.
      GTY785909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 3 Relay Block
      *2 INV W/PMP NO. 2 Fuse
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      INV W/PMP NO. 2 fuse Always Below 1 Ω
    3. Install the INV W/PMP NO. 2 fuse.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  35

    Result: 

    OK 

    See step  33

  33. REPAIR OR REPLACE HARNESS OR CONNECTOR (INV W/PMP RELAY HOLDER TERMINAL) 
    1. Repair or replace the terminals of the INV W/PMP relay holder.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    REPLACE RELAY (INV W/PMP) 

  34. REPLACE RELAY (INV W/PMP) 
    1. Replace INV W/PMP relay.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    REPLACE FUSE (INV W/PMP NO. 2) 

  35. REPAIR OR REPLACE HARNESS OR CONNECTOR (INV W/PMP RELAY HOLDER TERMINAL) 
    1. Repair or replace the terminals of the INV W/PMP relay holder.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  36

  36. REPLACE RELAY (INV W/PMP) 
    1. Replace INV W/PMP relay.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    REPLACE FUSE (INV W/PMP NO. 2) 

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