C1239 · blink 39 – Foreign Matter is Attached on Tip of Left

System: ABS with BA & EBD
Dashboard light: ABS warning
Check-engine blink code: 39
Applies to: All E120 with ABS (BA & EBD)
Description: Foreign Matter is Attached on Tip of Left
Detection / symptoms: Detection: Detection of any of conditions from 1. through 4.: 1. With vehicle speed at 10 km/h or more, sensor signal circuit of faulty wheel is open or short for 15 sec. or longer. 2. Momentary interruption of sensor signal of faulty wheel has occurred 7 times or more. 3. With vehicle speed at 20 km/h or more, sensor signal of faulty wheel generated noise for 5 sec. or longer. 4. Sensor signal circuit is open for 0.025 sec. or longer.
Possible causes: Right rear, left rear speed sensor; Each speed sensor circuit; Sensor installation; Sensor rotor
What to check: Workshop check order (RM821E): READ VALUE OF SKID CONTROL SENSOR -> INSPECT SKID CONTROL SENSOR -> INSPECT HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY − SKID -> INSPECT SPEED SENSOR AND SENSOR ROTOR SERRATIONS -> INSPECT SKID CONTROL SENSOR INSTALLATION -> INSPECT SKID CONTROL SENSOR TIP -> INSPECT SPEED SENSOR ROTOR
Confidence: high (official Toyota RM821E)

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