P3100
CIRCUIT DESCRIPTIONDetecting Condition:
The HV ECU compares Ne signal with G signal that are sent from the ECM and checks whether the engine rpm signal is correct or not.
HINT:
- When using an OBD II scan tool other than TOYOTA hand-held tester, check all the steps.
- When using TOYOTA hand-held tester, confirm the information code and check it.
DTC P3100 - Information code 136, 137
Wiring Diagram:
Steps 1 - 3:
INSPECTION PROCEDURE
CIRCUIT DESCRIPTION
Detecting Condition:
The HV ECU checks the current value of the battery and detects malfunction.
DTC P3100 - Information code 127, 128, 138
Wiring Diagram:
Steps 1 - 2:
INSPECTION PROCEDURE
CIRCUIT DESCRIPTION
Detecting Condition:
The HV ECU checks the ST signal and detects malfunction. If the ST signal has +B short; the ST will always be ON. Therefore, even with the IG ON when starting the THS, the system will start. To prevent this from happening, the HV ECU detects the malfunction of the ST signal.
DTC P3100 - Information code 142
Wiring Diagram:
Steps 1 - 2:
INSPECTION PROCEDURE
CIRCUIT DESCRIPTION
Detecting Condition (Part 1):
Detecting Condition (Part 2):
The HV ECU checks the internal operation of the ECU and detects malfunction.
DTC P3100 - Information code 134, 135, 139, 140, 141, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 271, 310, 390, 391, 392, 393
INSPECTION PROCEDURE
If any of the above information codes is output, replace the HV ECU.