Inspection Procedure

CHECK OPERATION OF TURN SIGNAL LIGHT

(a) When the turn signal light switch is operated, check that the appropriate turn signal light flashes.

Result

Condition

Proceed To

No lights flash

A

Front turn signal light (LH or RH) does not flash

B

Side turn signal light (LH or RH) does not flash (Hatchback)

C

Rear turn signal light (LH or RH) does not flash

Go to step 6

Go to step 8

Go to step 10

INSPECT FUSE (GAUGE, HAZ)

Remove the GAUGE fuse from the main body ECU. Remove the HAZ fuse from the engine room relay block. Measure the resistance. Standard resistance:

Below 1 Q Reinstall the GAUGE and HAZ fuses.

REPLACE FUSE

CHECK HARNESS AND CONNECTOR (FUSE - MAIN BODY ECU)

Toyota Main Body Ecu

(a) Disconnect the 4B main body ECU connector.

(b) Measure the voltage. Standard voltage

Tester Connection

Condition

Specified Condition

4B-32 - Body ground

Always

11 to 14 V

(c) Reconnect the main body ECU connector.

REPAIR OR REPLACE HARNESS OR CONNECTOR

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