Toyota Corolla (E120): Circuit description

The sensor check circuit detects abnormalities in the speed sensor signal which cannot be detected with the dtc check.

Connecting terminals ts and cg of the dlc3 starts the check.

Wiring diagram

Inspection procedure

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    Overhaul
    1. Inspect 1st gear thrust clearance Using a feeler gauge, measure the 1st gear thrust clearance. Standard clearance: 0.10 – 0.40 Mm (0.0039 – 0.0157 In.) 2. Inspect 2nd gear thrust clearance Using a dial indicator, measure the 2nd gear thrust clearance. Standard clearan ...

    Dtc check/clear
    1. Dtc check (normal mode) Notice: hand–held tester only: when the diagnostic system is switched from the normal mode to the check mode, all the dtcs and freeze frame data recorded in the normal mode will be erased. So before switching modes, always check the dtcs and freeze frame data, and ...

    Problem symptoms table
    Hint: use the table below to help determine the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts. 1. Headlamp and tail lamp 2. Front fog lamp system 3. Turn signal and hazard warni ...