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Home >> Toyota >> 2024 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 61 (Tire Pressure Warning System (HEV) - Diagnostics - Introduction) >> TIRE PRESSURE WARNING SYSTEM (for HV Model) >> Terminals Of Ecu [09/2022 - ] >> Terminals Of Ecu [09/2022 - ]

Terminals Of Ecu [09/2022 - ]

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  1. CHECK TIRE PRESSURE WARNING ECU AND RECEIVER 
    GTY1109511Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *A w/ Smart Entry and Start System *B w/o Smart Entry and Start System
    *a Front view of wire harness connector
    (to Tire Pressure Warning ECU and Receiver)    		 - -
    1. Disconnect the tire pressure warning ECU and receiver connector and measure the voltage or resistance on the wire harness side.
      W/ SMART ENTRY AND START SYSTEM

      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      O170-1 (IGR) - O170-12 (GND) IG power source Power switch on (IG) 10 to 16 V
      O170-7 (+B) - O170-12 (GND) Power supply (from battery) Always 10 to 16 V
      O170-9 (CANH) - O170-10 (CANL) CAN communication line Power switch off 54 to 69 Ω
      O170-12 (GND) - Body ground Ground Always Below 1 Ω
      W/O SMART ENTRY AND START SYSTEM

      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      O171-1 (IGR) - O171-12 (GND) IG power source Power switch on (IG) 10 to 16 V
      O171-7 (+B) - O171-12 (GND) Power supply (from battery) Always 10 to 16 V
      O171-9 (CANH) - O171-10 (CANL) CAN communication line Power switch off 54 to 69 Ω
      O171-12 (GND) - Body ground Ground Always Below 1 Ω
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