LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2000 >> SC 400 >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock - W/Traction Control >> Diagnosis & Testing >> Speed Sensor Signal Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Speed Sensor Signal Check

NOTE: Information for clearing speed sensor diagnostic codes is not available from manufacturer. It may be possible to clear these codes by disconnecting battery cable or by using procedure for CLEARING DIAGNOSTIC TROUBLE CODES .
  1. Turn ignition off. Using fused jumper wire or Service Connector (SST 09843-18020), connect DLC1 terminals Ts and E1. See Figure. Start engine. ABS warning light should blink once every .13 second. If ABS warning light does not blink, check ABS warning light circuit. See ABS WARNING LIGHT CIRCUIT  under SYSTEM TESTS.
  2. Drive vehicle at more than 28 MPH for several seconds. Stop vehicle. Using another fused jumper wire or Service Connector (SST 09843-18020), connect DLC1 terminals Tc and E1. There should now be 2 jumper wires. See Figure.
  3. Observe ABS warning light. If system is normal, ABS warning light will blink every .25 second. If system is malfunctioning, ABS warning light will begin to flash a 2-digit Diagnostic Trouble Code (DTC). ABS warning light will blink every .5 second with a .5 pause between blinks. ABS warning light will flash first digit, followed by a 1.5 second pause and then light will flash second digit.
  4. Count number of flashes to obtain digits of 2-digit code. If 2 or more codes are stored, a 2.5 second pause will separate codes. If 2 or more malfunctions are indicated at same time, lowest numbered DTC will be displayed first.
  5. Identify DTC and probable cause. See SPEED SENSOR DIAGNOSTIC CODE IDENTIFICATION . Repair as needed. Turn ignition off. Remove fused jumper wires or Service Connector (SST 09843-18020) from DLC1.
scientia non olet · About LEMON Manuals