Inspection Procedure

Total OBD & ECU Auto Diagnostics

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CHECK CAN COMMUNICATION SYSTEM

Result

(a) Check if CAN communication DTC is output (See page CA-25).

Result

Result

Proceed to

CAN communication DTC is not output.

A

CAN communication DTC is output.

B (See page CA-31)

GO TO CAN COMMUNICATION SYSTEM

GO TO CAN COMMUNICATION SYSTEM

PERFORM ACTIVE TEST BY INTELLIGENT TESTER

(a) Connect the intelligent tester to the DLC3.

(b) Turn the ignition switch on (IG).

METER:

(d) Enter the following menus: DIAGNOSIS / OBD/MOBD / METER / ACTIVE TEST.

(e) Check the values by referring to the values in the table below.

METER:

Item

Test Details

Diagnostic Note

SPEED METER

0, 40, (24), 80 (48), 120 (72), 160 (96), 200 (120) km/h (mph)

-

Needle indication is normal.

REPLACE COMBINATION METER ASSEMBLY

READ VALUE OF INTELLIGENT TESTER

(a) Connect the intelligent tester to the DLC3.

(b) Turn the ignition switch on (IG).

(d) Enter the following menus: DIAGNOSIS / OBD/MOBD / METER / DATA TEST.

(e) Check the values by referring to the values in the table below.

METER:

Item

Measurement Item/Range (Display)

Normal Condition

Diagnostic Note

SPEED METER

Vehicle speed/Min.: 0 km/h (0 mph), Max.: 255 km/h (158 mph)

Almost same as actual speed (When driving)

If data received from the skid control ECU exceeds the range that can be displayed on the meter, the meter continues to display the maximum value of the range.

Vehicle speed displayed on the tester is almost the same as the actual vehicle speed measured using a speedometer tester (calibrated chassis dynamometer).

Go to step 4

REPLACE COMBINATION METER ASSEMBLY

READ VALUE OF INTELLIGENT TESTER

(a) Connect the intelligent tester to the DLC3.

(b) Turn the ignition switch on (IG).

(d) Enter the following menus: DIAGNOSIS / OBD/MOBD / ABS/TRAC/VSC / DATA LIST.

(e) Check the values by referring to the table below.

ABS/TRAC/VSC:

Item

Measurement Item/Range (Display)

Normal Condition

Diagnostic Note

(FL/FR/RL/RR) WHEEL SPD

Vehicle speed/Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)

Almost same as actual speed (When driving)

-

Vehicle speed displayed on the tester is almost the same as the actual vehicle speed.

GO TO BRAKE CONTROL SYSTEM

REPLACE SKID CONTROL ECU

(a) Replace the skid control ECU to a new or a normal one. OK:

The operation of the speedometer returns to normal.

REPLACE COMBINATION METER ASSEMBLY

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