Circuit Description

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 OBD0 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

INF. Code.

Detecting Condition

Trouble Area

136

Open or short in GO signal circuit

• Crankshaft position sensor

• Camshaft position sensor

137

Engine speed sensor malfunction

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