Toyota Corolla (E120): Open vehicle speed sensor circuit/ Vehicle speed signal abnormal

Inspection procedure

Circuit description

Other materials:

Inspection procedure
Hint: read freeze frame data using the hand–held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, th ...

Replacement
1. Work for preventing gasoline from spilling out 2. Remove engine under cover rh 3. Drain coolant 4. Remove front wheel rh 5. Remove cylinder head cover no.2 Remove the 2 nuts, 2 clips and cylinder head cover. 6. Remove air cleaner hose no.1  loosen the 2 air cleaner hose ...

Circuit description
Refer to dtc p0115 Dtc no. Dtc detection condition Trouble area P0125 If the engine coolant temperature (ect) was less than –6.6 °C (20 °F) when starting the engine, and 20 minutes after the engine start, the ect sensor still indicates below 20 °C (68 ...