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TVIP Ecu Communication

The document describes the Toyota Vehicle Intrusion Protection (TVIP) system circuit and provides an inspection procedure. It details that the wireless receiver receives a signal for the TVIP system and sends it to the TVIP ECU via an integration relay. The inspection procedure involves checking the TVIP ECU for normal operation and checking the continuity of the wiring harness between the TVIP ECU and integration relay connectors.

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Phang Kumwing
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1K views2 pages

TVIP Ecu Communication

The document describes the Toyota Vehicle Intrusion Protection (TVIP) system circuit and provides an inspection procedure. It details that the wireless receiver receives a signal for the TVIP system and sends it to the TVIP ECU via an integration relay. The inspection procedure involves checking the TVIP ECU for normal operation and checking the continuity of the wiring harness between the TVIP ECU and integration relay connectors.

Uploaded by

Phang Kumwing
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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05–740 DIAGNOSTICS – TOYOTA VEHICLE INTRUSION PROTECTION

SYSTEM 057SA–01

TVIP ECU COMMUNICATION CIRCUIT

CIRCUIT DESCRIPTION
The wireless receiver receives a SET/UNSET signal for the TVIP system and sends the signal to the TVIP
ECU via the integration relay.
WIRING DIAGRAM
I11
Integration Relay TVIP ECU

28
W
TVSS T3 IRSG
26

I24326 B59563

INSPECTION PROCEDURE
1 CHECK TVIP ECU

(a) Check that the operation of the TVIP function is normal.


HINT:
With this inspection, the TVIP ECU CPU can be diagnosed if it works normally or not.
NG CHECK AND REPLACE TVIP ECU
(See page 01–30)

OK

2004 COROLLA (RM1037U)

Author: Date: 905


DIAGNOSTICS – TOYOTA VEHICLE INTRUSION PROTECTION 05–741
SYSTEM

2 CHECK WIRE HARNESS (TVIP ECU ⇔ INTEGRATION RELAY)

(a) Disconnect the TVIP ECU and integration relay connec-


TVIP ECU tors.
(Wire Harness Side) (b) Check the continuity between the terminal of the TVIP
ECU connector and integration relay connectors, as
shown in the illustration and table.
T3 Standard:
Symbols (Terminal No.)
Specified condition
(TVIP ECU ⇔ Integration relay)
IRSG (28) IRSG (T3–28) ⇔ TVSS (I11–26) Continuity

I11 Integration Relay

(Wire Harness Side)

TVSS (26)
B59601 NG REPAIR OR REPLACE WIRE HARNESS AND
CONNECTOR

OK

CHECK AND REPLACE TVIP ECU (See page 01–30)

2004 COROLLA (RM1037U)

Author: Date: 906

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