Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM ACTIVE TEST BY INTELLIGENT TESTER

Select the Active Test, use the intelligent tester to generate a control command, and then check that the seat belt warning light operates.

Center airbag sensor:

ACTIVE TEST DETAIL

Item	Test Details	Diagnostic Note
P-BELT REMIND	P-SEAT BELT warning light (OFF/ON)	Confirm that the vehicle is stopped, engine idling

OK: Passenger side seat belt warning light operates normally.

OK: REPLACE CENTER AIRBAG SENSOR ASSEMBLY

NG: Go TO NEXT STEP.

CHECK A/C TYPE

Check system.

ACTIVE TEST CHECKING REFERENCE

A/C type	Proceed to
for Automatic air conditioning system	A
for Manual air conditioning system	B

B: Go to step 6

A: Go TO NEXT STEP.

CHECK HEATER CONTROL PANEL (POWER SOURCE CIRCUIT)

Disconnect the E23 panel connector.

Measure the voltage and resistance of the wire harness side connector.

Fig 1: Identifying E23 Panel Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard voltage

TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Condition	Specified Condition
E23-1 (+B) - Body ground	Always	10 to 14 V
E23-2 (IG+) - Body ground	Ignition switch ON	10 to 14 V
E23-3 (ACC) - Body ground	Ignition switch ON (ACC)	10 to 14 V

Standard resistance

TESTER CONNECTION SPECIFICATION

	Specified Condition
E23-7 (GND) - Body ground	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go TO NEXT STEP.

CHECK WIRE HARNESS (HEATER CONTROL PANEL - COMBINATION METER ASSEMBLY)

Disconnect the E23 panel connector.
Disconnect the E19 meter connector.

Measure the resistance of the wire harness side connectors.

Fig 2: Identifying Heater E23 Control Panel And E19 Combination Meter Assembly Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
E19-1 (PBLT) - E23-4 (PBEW)	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go TO NEXT STEP.

INSPECT HEATER CONTROL PANEL

Remove the heater control panel.

Apply battery voltage and check that the front passenger side seat belt warning light illuminates.

Fig 3: Identifying Heater Control Panel Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

MEASUREMENT CONDITION SPECIFICATION

Measurement Condition	Specified Condition
Battery positive (+) - Terminal 4 Battery negative (-) - Terminal 7	Front passenger side seat belt warning light illuminates

HINT:

When the battery's negative (-) lead is applied to terminal 4 and the positive (+) lead is applied to terminal 7, the seat belt warning light does not illuminate.

NG: REPLACE HEATER CONTROL PANEL

OK: REPLACE COMBINATION METER ASSEMBLY

CHECK CLOCK SUB-ASSEMBLY (POWER SOURCE CIRCUIT)

Disconnect the E22 clock connector.

Measure the voltage and resistance of the wire harness side connector.

Fig 4: Identifying E22 Clock Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard voltage

TESTER CONNECTION SPECIFICATION

Tester Connection	Condition	Specified Condition
E22-1 (+B) - Body ground	Always	10 to 14 V
B22-6 (ACC) - Body ground	Ignition switch ACC	10 to 14 V
E22-2 (IG+) - Body ground	Ignition switch ON	10 to 14 V

Standard resistance

TESTER CONNECTION SPECIFICATION

Tester Connection	Specified Condition
E22-5 - Body ground	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go TO NEXT STEP.

CHECK WIRE HARNESS (CLOCK - COMBINATION METER)

Disconnect the E22 clock connector.
Disconnect the E19 meter connector.

Measure the resistance of the wire harness side connectors.

Standard resistance

TESTER CONNECTION SPECIFICATION

Tester Connection	Specified Condition
E22-3 (PBEW) - E19-1 (PBLT)	Below 1 Ω

Fig 5: Clock E22 And E19 Combination Meter Connector

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go TO NEXT STEP.

INSPECT CLOCK SUB-ASSEMBLY

Remove the clock.

Apply battery voltage and check that the front passenger side seat belt warning light illuminates.

Fig 6: Identifying Front Passenger Side Seat Belt Warning Light Terminals

MEASUREMENT CONDITION SPECIFICATION

Measurement Condition	Specified Condition
Battery positive (+) - Terminal 3 Battery negative (-) - Terminal 5	Front passenger side seat belt warning light illuminates

HINT:

When the battery's negative (-) lead is applied to terminal 3 and the positive (+) lead is applied to terminal 5, the seat belt warning light does not illuminate.

NG: REPLACE CLOCK SUB-ASSEMBLY

OK: REPLACE COMBINATION METER ASSEMBLY