Terminals Of Ecu

WARNING: This page is about a different car, the 2004 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.

CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSY (BODY ECU) (REAR SIDE)

Fig 1: Checking Instrument Panel Junction Block Assy (Body ECU) (Rear Side)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Disconnect the 2B, 2F and 2G instrument panel J/B connectors, and check the continuity and voltage of each terminal of the disconnected connectors.

Standard:

TERMINAL SPECIFICATION

Symbols (Terminal No.)

Wiring color

Condition

Specified condition

SGND (2B-11) <--> Body ground

BR <-->-

Constant

Continuity

GND (2R-8⁽¹⁾, 2D-3⁽²⁾) <--> Body ground

W-B<-->-

Constant

Continuity

BDR1 (2G-14) <--> Body ground

L-W <-->-

Constant

10 - 14 V

B (2F-7) <-->Body ground

R <-->-

Constant

10 - 14 V

⁽¹⁾	: The check should be performed by using the 2D connector^2 , because the 2R connector^1 is unavailable for this check.

⁽²⁾	: The check should be performed by using the 2D connector^2 , because the 2R connector^1 is unavailable for this check.

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

CHECK THEFT WARNING ECU (THEFT DETERRENT ECU)

Fig 2: Checking Theft Warning ECU (Theft Deterrent ECU)

Disconnect the T5 theft warning ECU (theft deterrent ECU) connector and check the voltage and continuity of each terminal of the wire harness side connector.

Standard:

TERMINALS SPECIFICATION

Symbols (Terminal No.)	Wiring color	Condition	Specified condition
E (T5-11) <-->Body ground	W-B <-->-	Constant	Continuity
+B1 (T5-2) <-->E (T5-11)	W-R <-->W-B	Constant	10 - 14 V

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