Displaying & Reading Trouble Codes

DTC CHECK





1. Disconnect the Short Pin from DLC1.





2. Using SST, connect terminals Tc and E1 of DLC2 or DLC1. SST 09843-18020

3. Turn the ignition switch ON.

4. Read the DTC from the ABS warning light on the combination meter.

HINT: If no code appears, inspect the diagnostic circuit or ABS warning light circuit. ABS Warning Light Circuit





As an example, the blinking patterns for normal code and codes 11 and 21 are shown on the left.

5. Codes are explained in the code table.ABS (Antilock Brake System)

6. After completing the check, disconnect terminals Tc and E1, and turn off the display.

If 2 or more malfunctions are indicated at the same time, the lowest numbered DTC will be displayed 1st.





DTC CHECK USING LEXUS HAND-HELD TESTER
1. Hook up the LEXUS hand-held tester to the DLC2.

2. Read the DTC by following the prompts on the tester screen.

Please refer to LEXUS hand-held tester operator's manual for further details.





ECU TERMINAL VALUES MEASUREMENT USING LEXUS BREAK-OUT-BOX AND LEXUS HAND-HELD TESTER
1. Hook up the LEXUS hand-held tester and LEXUS breakout-box to the vehicle.

2. Read the ECU input/output values by following the prompts on the tester screen.

HINT: LEXUS hand-held tester has a "Snapshot" function. This records the measured values and is effective in the diagnosis of intermittent problems.

Please refer to the LEXUS hand-held tester/LEXUS break out-box operator's manual for further details.