Toyota Sienna Service Manual: Terminals of ECU

Toyota Sienna Service Manual / Park assist / monitoring / Rear view monitor system / Terminals of ECU

1. TELEVISION CAMERA ASSEMBLY

Disconnect the T10 camera connector

TELEVISION CAMERA ASSEMBLY

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

TELEVISION CAMERA ASSEMBLY

If the result is not as specified, there may be a malfunction on the wire harness side.

Reconnect the T10 camera connector.
Measure the voltage and frequency of each terminal of the connector.

TELEVISION CAMERA ASSEMBLY

If the result is not as specified, the camera may have a malfunction.

Reference: Oscilloscope waveform

TELEVISION CAMERA ASSEMBLY

Waveform 1

TELEVISION CAMERA ASSEMBLY

2. RADIO AND NAVIGATION ASSEMBLY

Problem symptoms table

Before inspecting the suspected areas listed in the table below, check the fuse and relay. Before inspecting the suspected areas listed in the table below, check the DTCs. Metho ...

Reverse Signal Circuit

DESCRIPTION The radio and navigation assembly receives a reverse signal from the park/neutral position switch. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT RADIO AND NAVIGATION ASSEMBLY ...

Other materials:

Navigation Voice Circuit
DESCRIPTION This circuit is used when the voice guidance in the navigation system is on. WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - STEREO COMPONENT AMPLIFIER) Disconnect the radio and navigation assembly connector R13 and s ...

High beam automatic turning on or off conditions
When all of the following conditions are fulfilled, high beam will be automatically turned on (after approximately 1 second): Vehicle speed is above approximately 20 mph (32 km/h). The area ahead of the vehicle is dark. There are no oncoming or preceding vehicles with headlights or tail ...

SRS Warning Light does not Come ON
DESCRIPTION WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK BATTERY Measure the voltage of the battery. Standard voltage: 11 to 14 V CHECK AND REPLACE BATTERY OR CHARGING SYSTEM 2 CHECK CONNECTORS Turn the ignition switch to the LOCK position. Disconnect the negative (-) term ...