Power Distribution

Main Body Ecu

~2min read
Components COMPONENTS ILLUSTRATION
Removal REMOVAL PROCEDURE

1. REMOVE UPPER INSTRUMENT PANEL

HINT:

Refer to the procedure up to Remove Upper Instrument Panel Sub-assembly (See page ).


2. REMOVE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)

(a) Disconnect the 4 connectors.

(b) Disengage the 2 claws and disconnect the connector <A> as shown in the illustration.

(c) Disconnect the 3 connectors.

(d) Disconnect the 3 connectors as shown in the illustration.

(e) Disconnect the connector <A> as shown in the illustration.

(f) Disconnect the connector.

(g) Disconnect the 2 connectors.

(h) Remove the 3 nuts.

(i) Disengage the 2 claws.

(j) Disconnect the connector <A> as shown in the illustration.

(k) Disconnect the 4 connectors and remove the main body ECU (driver side junction block assembly).

(l) Remove the 5 relays.

Installation INSTALLATION PROCEDURE

1. INSTALL MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)

(a) Install the 5 relays.

(b) Connect the 4 connectors.

(c) Connect the connector <A> as shown in the illustration.

NOTICE:

Be sure to engage each connector securely.

(d) Engage the 2 claws.

(e) Install the 3 nuts and install the main body ECU (driver side junction block assembly).

(f) Connect the 2 connectors.

NOTICE:

Be sure to engage the connector securely.

(g) Connect the connector <A> as shown in the illustration.

NOTICE:

Be sure to engage the connector securely.

(h) Connect the connector.

NOTICE:

Be sure to engage each connector securely.

(i) Connect the 3 connectors as shown in the illustration.

NOTICE:

Be sure to engage each connector securely.

(j) Engage the 2 claws to connect the connector <A> as shown in the illustration.

NOTICE:

Be sure to engage the connector securely.

(k) Connect the 3 connectors.

NOTICE:

Be sure to engage each connector securely.

(l) Connect the 4 connectors.

NOTICE:

Be sure to engage each connector securely.

2. INSTALL UPPER INSTRUMENT PANEL

HINT:

Refer to the procedure from Install Upper Instrument Panel Sub-assembly (See page ).

Test yourself

A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.