Inspection Procedure

READ VALUE OF INTELLIGENT TESTER

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

Following the display on the tester, select "DATA LIST".

SMART ACCESS (Certification ECU):

DATA LIST CHART

Item	Measurement Item/Range (Display)	Normal Condition	Diagnostic Note
D TOUCH SENSOR	Status of touch sensor front LH/ ON or OFF	ON: Touch sensor is touched OFF: Touch sensor is not touched	-
P TOUCH SENSOR	Status of touch sensor front RH/ ON or OFF	ON: Touch sensor is touched OFF: Touch sensor is not touched	-
DR TOUCH SENSOR	Rear door touch sensor LH/ON or OFF	ON: Sensor is touched OFF: Sensor is not touched	-
PR TOUCH SENSOR	Rear door touch sensor RH/ON or OFF	ON: Sensor is touched OFF: Sensor is not touched	-

OK: "ON" (screen is touched) or "OFF" (screen is not touched) appears on the tester screen.

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

NG: Go to Next Step

CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - ELECTRICAL KEY OSCILLATOR)

Disconnect the E13 and E14 ECU connectors.
Disconnect the oscillator connectors.

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

Standard resistance:

Front LH side

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection (Symbols)	Condition	Specified Condition
E13-5 (SEL1) - a2-4 (SEL)	Always	Below 1 Ω
E13-22 (SEN1) - a2-6 (SENS)	Always	Below 1 Ω
E13-5 (SEL1) - Body ground	Always	10 kΩ or higher
E13-22 (SEN1) - Body ground	Always	10 kΩ or higher

Front RH side

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection (Symbols)	Condition	Specified Condition
E13-6 (SEL2) - z2-4 (SEL)	Always	Below 1 Ω
E13-23 (SEN2) - z2-6 (SENS)	Always	Below 1 Ω
E13-6 (SEL2) - Body ground	Always	10 kΩ or higher
E13-23 (SEN2) - Body ground	Always	10 kΩ or higher

Rear LH side

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection (Symbols)	Condition	Specified Condition
E14-1 (SEL3) - C2-4 (SEL)	Always	Below 1 Ω
E14-28 (SENS) - c2-6 (SENS)	Always	Below 1 Ω
E14-1 (SEL3) - Body ground	Always	10 kΩ or higher
E14-28 (SEN3) - Body ground	Always	10 kΩ or higher

Rear RH side

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection (Symbols)	Condition	Specified Condition
E14-2 (SEL4) - b2-4 (SEL)	Always	Below 1 Ω
E14-27 (SEN4) - b2-6 (SENS)	Always	Below 1 Ω
E14-2 (SEL4) - Body ground	Always	10 kΩ or higher
E14-27 (SEN4) - Body ground	Always	10 kΩ or higher

Fig 1: Checking Harness And Connector (Certification ECU - Electrical Key Oscillator)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

CHECK AND REPLACE ELECTRICAL KEY OSCILLATOR (CHECK OPERATION OF OSCILLATOR)
1. Replace the electrical key oscillator.
2. Check that the entry UNLOCK function operates normally.
  OK: Entry UNLOCK function operates normally.
OK: END (ELECTRICAL KEY OSCILLATOR IS DEFECTIVE)

NG: Go to Next Step

INSPECT CERTIFICATION ECU

Reconnect the ECU and the oscillator connectors.
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).

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

Standard voltage:

Front LH side

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection (Symbols)	Condition	Specified Condition
E13-5 (SEL1) - Body ground	Move the key more than 5 m (16.4 ft) away from the front door LH	10 to 14 V
E13-5 (SEL1) - Body ground	Bring key to the outside handle	Below 1 V
E13-22 (SEN1) - Body ground	Front door LH outside handle is not held (Bring the electrical key to the outside handle)	10 to 14 V
E13-22 (SEN1) - Body ground	Front door LH outside handle is held	Below 1 V

Fig 2: Inspecting Certification ECU

From RH side

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection (Symbols)	Condition	Specified Condition
E13-6 (SEL2) - Body ground	Move the key more than 5 m (16.4 ft) away from the front door RH	10 to 14 V
E13-6 (SEL2) - Body ground	Bring key to the outside handle	Below 1 V
E13-23 (SEN2) - Body ground	Front door RH outside handle is not held (Bring the electrical key to the outside handle)	10 to 14 V
E13-23 (SEN2) - Body ground	Front door RH outside handle is held	Below 1 V

Rear LH side

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection (Symbols)	Condition	Specified Condition
E14-1 (SEL3) - Body ground	Move the key more than 5 m (16.4 ft) away from the rear door LH	10 to 14 V
E14-1 (SEL3) - Body ground	Bring key to the outside handle	Below 1 V
E14-28 (SEN3) - Body ground	Rear door LH outside handle is not held (Bring the electrical key outside the handle)	10 to 14 V
E14-28 (SEN3) - Body ground	Rear door LH outside handle is held	Below 1 V

Rear RH side

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection (Symbols)	Condition	Specified Condition
E14-2 (SEL4) - Body ground	Move the key more than 5 m (16.4 ft) away from the rear door RH	10 to 14 V
E14-2 (SEL4) - Body ground	Bring key to the outside handle	Below 1 V
E14-27 (SEN4) - Body ground	Rear door RH outside handle is not held (Bring the electrical key outside the handle)	10 to 14 V
E14-27 (SEN4) - Body ground	Rear door RH outside handle is held	Below 1 V

NG: REPLACE CERTIFICATION ECU

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