Toyota Corolla 2004 DIAGNOSTICS – TOYOTA VEHICLE INTRUSION PROTECTION SYSTEM

05–730

–DIAGNOSTICS TOYOTA VEHICLE INTRUSION PROTECTION

SYSTEM

057S6–01

GLASS BREAKAGE SENSOR CIRCUIT

CIRCUIT DESCRIPTION

The microphone of the grass breakage sensor is built in the security indicator. When this microphone senses
breakage of grass, the grass breakage sensor ECU sends the signal of this breakage to the TVIP ECU.

WIRING DIAGRAM

S4
Security Indicator
(Glass Breakage Sensor)

Microphone

SMIC

W

3

SMCE

4

W

IA

I10 Ignition SW

B–Y

12

AM1 IG1

W

IF

12
IF

(Shielded)

R–B

1

5

2

12

G3
Glass Breakage Sensor ECU

W

MIC IOUT

4

GMIC GND

5

S+B TRIG

1

Instrument Panel J/B

IG1 Relay

ECU–IG

3

AM1

9

IF

4

IF

1

IB

3

6

B–W

8

B–W

W–B

W

W–B

L

RH J/B

19

3A

11
T3

W–B

TVIP ECU

IOUT

I24322

Battery

R–B

1

IH

Engine Room J/B

W

FL MAIN ALT

1

1D

1

B

1A

12

ECU–B

1

1C

IE

11

3A

W–B

A

J6
J/C

A

J7
J/C

IG

B59183

2004 COROLLA (RM1037U)

895Author: Date:

–DIAGNOSTICS TOYOTA VEHICLE INTRUSION PROTECTION

SYSTEM

05–731

INSPECTION PROCEDURE

1 CHECK SECURITY INDICATOR LIGHT

(a) Set the system in 30 seconds after filliping the security indicator to check if the alarm is triggered.

OK NO PROBLEM

NG

2 CHECK GLASS BREAKAGE SENSOR ECU (GLASS BREAKAGE SENSOR)

Connector connected

G3

(a) Check the continuity and voltage of the glass breakage

sensor

ECU, as shown in the illustration and table.

Standard:

Terminal No. Condition Specified condition
G3–1 ⇔ Body ground Constant Battery voltage
G3–3 ⇔ Body ground Constant Pulse generation
G3–5 ⇔ Body ground Constant Continuity

I24334

G3–8 ⇔ Body ground Ignition switch ON Battery voltage

NG CHECK AND REPLACE GLASS BREAKAGE

SENSOR ECU (See page 01–30)

OK

3 CHECK WIRE HARNESS (TVIP ECU ⇔ GLASS BREAKAGE SENSOR ECU)

TVIP ECU
(Wire Harness Side)

IOUT (11)

T3

(a) Disconnect the TVIP ECU and glass breakage sensor

ECU connectors.

(b) Check the continuity and between the connectors on the

harness side, as shown in the illustration and table.

Standard:

Symbols (Terminal No .)

(TVIP ECU ⇔ Sensor ECU)

IOUT (T3–11) ⇔ IOUT (G3–3) Continuity

Specified condition

Glass Breakage Sensor ECU
(Wire Harness Side)

G3

IOUT (3)

OK

2004 COROLLA (RM1037U)

B59576

NG REPAIR OR REPLACE WIRE HARNESS AND

CONNECTOR

896Author: Date: