Inspection Procedure

INSPECT RADIO RECEIVER ASSEMBLY

Disconnect the R3 or R4 receiver connector.

Fig 1: Identifying R3 Or R4 Receiver Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance of the receiver.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
R3-6 (ATX+) - R3-16 (ATX-)*1	60 to 80 Ω
R2-10 (ATX+) - R2-9 (ATX-)*2	60 to 80 Ω
HINT: 1: for Taiwan, South Korea 2: for Except Taiwan, South Korea

NG: REPLACE RADIO RECEIVER ASSEMBLY

OK: Go to next step

CHECK WIRE HARNESS (INSTRUMENT CLUSTER FINISH PANEL CENTER - RADIO RECEIVER)

Disconnect the M5 panel connector.
Disconnect the R2 or R3 receiver connector.

Fig 2: Identifying R2 Or R3 Receiver Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance of the wire harness side connectors.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
M5-6 (TX+) - R2-10 (ATX+)*1	Below 1 Ω
M5-16 (TX-) - R2-9 (ATX-)*1	Below 1 Ω
M5-6 (TX+) - R3-6 (ATX+)*2	Below 1 Ω
M5-16 (TX-) - R3-16 (ATX-)*2	Below 1 Ω
M5-6 (TX+) - Body ground	10 kΩ or higher
M5-16 (TX-) - Body ground	10 kΩ or higher
HINT: 1: for Taiwan, South Korea 1: for Except Taiwan, South Korea

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go to next step

INSPECT INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY CENTER

Remove the instrument cluster finish panel sub-assembly center.

Fig 3: Identifying Instrument Cluster Finish Panel Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance of the panel.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

NG: REPAIR OR REPLACE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY CENTER

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE OR DIAGNOSTIC TROUBLE CODE CHART