Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VJ5F
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 11/2017]
Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: Data Signal Circuit between Radio Receiver and Extension Module; 2016 - 2017 MY Sienna [12/2015 - 11/2017]

Data Signal Circuit between Radio Receiver and Extension Module

DESCRIPTION

The stereo component tuner assembly sends the sound data signal or image data signal from a device to the radio and display receiver assembly via this circuit.

WIRING DIAGRAM

Refer to DTC B1532 (See page 2016 - 2017 MY Sienna [12/2015 - 11/2017]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: B1532; LVDS Signal Malfunction (from Extension Module)+ ).

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - SATELLITE RADIO TUNER ASSEMBLY)

(a) Disconnect the V6 and Z3 radio and display receiver assembly connectors.

(b) Disconnect the V4 and Z2 stereo component tuner assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

V6-1 (USV4) - V4-1 (USV4)

Always

Below 1 Ω

V6-2 (US4-) - V4-2 (US4-)

Always

Below 1 Ω

V6-3 (US4+) - V4-3 (US4+)

Always

Below 1 Ω

V6-4 (UGD4) - V4-4 (UGD4)

Always

Below 1 Ω

V6-5 (USG4) - V4-5 (USG4)

Always

Below 1 Ω

Z3-4 (+B2) - Z2-4 (+B)

Always

Below 1 Ω

Z3-3 (ACC2) - Z2-3 (ACC)

Always

Below 1 Ω

Z3-8 (GND2) - Z2-8 (GND2)

Always

Below 1 Ω

V6-1 (USV4) - Body ground

Always

10 kΩ or higher

V6-2 (US4-) - Body ground

Always

10 kΩ or higher

V6-3 (US4+) - Body ground

Always

10 kΩ or higher

V6-4 (UGD4) - Body ground

Always

10 kΩ or higher

V6-5 (USG4) - Body ground

Always

10 kΩ or higher

Z3 (+B2) - Body ground

Always

10 kΩ or higher

Z3 (ACC2) - Body ground

Always

10 kΩ or higher

Z3 (GND2) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE NO. 1 NAVIGATION WIRE

OK

2.

CHECK NO. 1 NAVIGATION WIRE (LVDS COMMUNICATION LINE)

(a) Replace the No. 1 navigation wire with a known good one.

(b) Check that the malfunction disappears.

OK:

Malfunction disappears.

OK

END (NO. 1 NAVIGATION WIRE [LVDS COMMUNICATION LINE] WAS DEFECTIVE)

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

(See page 2016 MY Sienna [12/2015 - 08/2016]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: PROBLEM SYMPTOMS TABLE 2017 MY Sienna [08/2016 - 11/2017]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: PROBLEM SYMPTOMS TABLE )