Inspection Procedure

PERFORM ACTIVE TEST BY INTELLIGENT TESTER

Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
Turn the intelligent tester on.

Select the item (s) below in the ACTIVE TEST, and check the operation.

ACTIVE TEST: BODY (Main Body ECU RH)

ACTIVE TEST

Item	Test Details	Diagnostic Note
HAZARD	LH and RH side turn signal lights operation ON / OFF	-

OK: LH and RH side turn signal lights flash.

NG: Go to step 4

OK: Go to Next Step

INSPECT CLOCK ASSEMBLY

Remove the clock assembly.

Measure the resistance according to the value (s) in the table below.

Standard resistance: Without Navigation System

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
J54-12 (F) - J54-8 (E)	Switch Is pushed in	Below 1 Ω
J54-12 (F) - J54-8 (E)	Switch is not pushed in	10 kΩ or higher

With Navigation System

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
J53-12 (F) - J53-2 (E)	Switch is pushed in	Below 1 Ω
J53-12 (F) - J53-2 (E)	Switch is not pushed in	10 kΩ or higher

Fig 1: Identifying Clock Assembly Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE CLOCK ASSEMBLY

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (CLOCK ASSEMBLY - TURN SIGNAL FLASHER)

Remove the clock assembly.

Fig 2: Identifying J30 Flasher Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Disconnect the J30 flasher connector.

Measure the resistance according to the value (s) in the table below.

Standard resistance: Without Navigation System

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
J54-12 (F) - J30-8 (HAZ)	Always	Below 1 Ω
J54-12 (F) - Body ground	Always	10 kΩ or higher

With Navigation System

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
J53-12 (F) - J30-8 (HAZ)	Always	Below 1 Ω
J53-12 (F) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

INSPECT FUSE (LH-IG, TURN-HAZ)
1. Remove the LH-IG fuse from the cowl side J/B LH.
2. Remove the TURN-HAZ fuse from the engine room No. 1J/B.
3. Measure the resistance of the fuses.
  Standard resistance: Below 1 Ω
NG: REPLACE FUSE

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (POWER SOURCE)

Disconnect the J30 flasher connector.

Measure the resistance according to the value (s) in the table below.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
J30-7 (E) - Body ground	Always	Below 1 Ω

Measure the voltage according to the value (s) in the table below.

Standard voltage

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
J30-4 (B) - Body ground	Always	10 to 14 V
J30-1 (IG) - Body ground	Engine switch on (IG)	10 to 14 V

Fig 3: Identifying J30 Flasher Connector Terminals

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR

Remove the clock assembly.

Fig 4: Identifying J30 Turn Signal Flasher Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Disconnect the J30 flasher connector.

Measure the resistance according to the value (s) in the table below.

Standard resistance: Without Navigation System

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
J54-12 (F) - J30-8 (HAZ)	Always	Below 1 Ω
J54-12 (F) - Body ground	Always	10 kΩ or higher

With Navigation System

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
J53-12 (F) - J30-8 (HAZ)	Always	Below 1 Ω
J53-12 (F) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE TURN SIGNAL FLASHER