Content .. 80 81 82 83 ..

Toyota Corolla (2004+). Manual - part 82

05-586

DIAGNOSTICS

- SUPPLEMENTAL RESTRAINT SYSTEM (April, 2003)

INSPECTION PROCEDURE

CHECK CONNECTOR

(a) Disconnect the negative (-) terminal cable from the battery, and wait at least for 90 seconds.

(b) Check the connection of the combination meter connector and the airbag sensor assy center connec-

tors.

OK:

The connectors are connected.

NG CONNECT CONNECTORS

CHECK COMBINATION METER ASSY

(a) Disconnect the connector from the combination meter.

(b) Connect the negative (-) terminal cable to the battery,

and wait at least for 2 seconds.

H42000

(c)

Turn the ignition switch to ON, and wait at least for 6 se-

conds.

(d) Measure the voltage between SW and body ground.

OK:

Voltage: Above 8 V

H41993

NG REPLACE COMBINATION METER ASSY

05-587

DIAGNOSTICS

- SUPPLEMENTAL RESTRAINT SYSTEM (April, 2003)

CHECK INSTRUMENT PANEL WIRE(AIRBAG SENSOR ASSY

CENTER-COMBINATION METER ASSY)

(a) Turn the ignition switch to LOCK.

(b) Disconnect the negative (-) terminal cable from the bat-

tery, and wait at least for 90 seconds.

(c)

Disconnect the connector from the airbag sensor assy

center.

(d) Measure the resistance between LA and body ground.

OK:

Resistance: 1M W or Higher

H40065

NG REPAIR OR REPLACE INSTRUMENT PANEL

WIRE (AIRBAG SENSOR ASSY CENTER - COM-

BINATION METER ASSY)

REPLACE AIR BAG SENSOR ASSY CENTER

CHECK INSTRUMENT PANEL WIRE(AIRBAG SENSOR ASSY

CENTER-COMBINATION METER ASSY)

(a) For the connector (on the airbag sensor assy center side)

Airbag Sensor Assy Center:

between the combination meter and the airbag sensor

assy center, measure the resistance between SW and

LA.

OK:

Resistance: Below 1

Combination Meter:

H41994

NG REPAIR OR REPLACE INSTRUMENT PANEL

WIRE (AIRBAG SENSOR ASSY CENTER - COM-

BINATION METER ASSY)

REPLACE AIR BAG SENSOR ASSY CENTER

05-436

DIAGNOSTICS

- SUPPLEMENTAL RESTRAINT SYSTEM (April, 2003)

0525C-13

PROBLEM SYMPTOMS TABLE

HINT:

Proceed with troubleshooting of each circuit in the table below.

Symptom

Suspect Area

See page

F When the ignition switch is in the ON position, the SRS warning

light sometimes comes on after approximately 6 seconds.

F SRS warning light circuit malfunction

05-585

F SRS warning light always comes on even when DTC is not out-

(Always lights up, when DTC is not output).

put.

F With the ignition switch is in the ON position, the SRS warning

F SRS warning light circuit malfunction

05-588

light does not come on.

(Does not light up, when ignition switch is turned to ON).

F Although a SRS warning light operates normally, DTC or a nor-

mal system code is not displayed.

F TC terminal circuit

05-590

F Although the terminals TC and CG are not connected, DTC or a

normal system code are displayed.

05-590

DIAGNOSTICS

- SUPPLEMENTAL RESTRAINT SYSTEM (April, 2003)

055ZW-05

TC TERMINAL CIRCUIT

CIRCUIT DESCRIPTION

DTC output mode is set by connecting between TC and CG of the DLC3.

The DTCs are displayed by blinking the SRS warning light.

WIRING DIAGRAM

Airbag Sensor Assy Center

DLC3

Center J/B

Instrument Panel J/B

P-B

4C P-B

A13 Tc

W-B

H42006

HINT:

When each warning light stays blinking, ground short in the wiring until the terminal TC of the DLC3 or internal

ground short in each ECU is suspected.

05-591

DIAGNOSTICS

- SUPPLEMENTAL RESTRAINT SYSTEM (April, 2003)

INSPECTION PROCEDURE

CHECK WIRE HARNESS(DLC3 - AIRBAG SENSOR ASSY CENTER)

(a) Turn the ignition switch to the LOCK position.

DLC3:

(b) Disconnect the aribag sensor assy center connector.

(c)

Measure the resistance according to the value(s) in the

table below.

Standard:

Tester connection

Condition

Specified condition

TC - TC

Always

Below 1 W

Airbag Sensor Assy Center:

NG REPAIR OR REPLACE WIRE HARNESS(TC of

ELC3 - TC of AIRBAG SENSOR ASSY CENTER)

H40173

H40065

H43360

CHECK WIRE HARNESS(CG of DLC3 - BODY GROUND)

(a) Measure the resistance according to the value(s) in the

table below.

Standard:

Tester connection

Condition

Specified condition

CG - Body ground

Always

Below 1 W

H40173

NG REPAIR OR REPLACE WIRE HARNESS(CG of

DLC3 - BODY GROUND)

05-592

DIAGNOSTICS

- SUPPLEMENTAL RESTRAINT SYSTEM (April, 2003)

CHECK WIRE HARNESS(TC of AIRBAG SENSOR ASSY CENTER - BODY

GROUND)

(a) Measure the resistance according to the value(s) in the

table below.

Standard:

Tester connection

Condition

Specified condition

TC - Body ground

Always

1 MW or Higher

H40065

NG REPAIR OR REPLACE WIRE HARNESS AND

EACH ECU

REPLACE AIR BAG SENSOR ASSY CENTER

05-434

DIAGNOSTICS

- SUPPLEMENTAL RESTRAINT SYSTEM (April, 2003)

05DQA-01

TERMINALS OF ECU

A12

A13

A14

H40028

No.

Symbol

Terminal Name

Electrical Connector Check Mechanism

A13-3

SRS Warning Light

A13-5

IG2

Power Source (IG2 Fuse)

A13-7

P2-

Squib (Passenger (2 step))

A13-8

P2+

Squib (Passenger (2 step))

A13-9

+SR

Front Airbag Sensor (RH)

A13-10

P+

Squib (Passenger)

A13-11

P-

Squib (Passenger)

A13-12

SIL

Diagnosis

A13-13

D-

Squib (Driver)

A13-14

D+

Squib (Driver)

A13-15

+SL

Airbag Front Sensor (LH)

A13-16

D2+

Squib (Driver (2 step))

A13-17

D2-

Squib (Driver (2 step))

A13-19

Diagnosis

A13-20

-SR

Airbag Front Sensor (RH)

A13-23

GSW2

ECM

A13-26

-SL

AIrbag Front Sensor (LH)

A13-27

Ground

A13-28

Ground

A12-1

PL-

Squib (Seat Belt Pretensioner, LH)

A12-2

PL+

Squib (Seat Belt Pretensioner, LH)

A12-3

LSP+

Seat Position Sensor

A12-4

LSP-

Seat Position Sensor

A12-5

SFL-

Squib (Side, LH)

A12-6

SFL+

Squib (Side, LH)

A12-7

VUPL

Side Airbag Sensor Assy (LH)

A12-9

SSL-

Side Airbag Sensor Assy (LH)

05-435

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM (April, 2003)

No.

Symbol

Terminal Name

A12-10

FSL

Side Airbag Sensor Assy (LH)

A12-11

LBE+

Seat Belt Buckle Switch (LH)

A12-12

ESL

Side Airbag Sensor Assy (LH)

A14-1

SFR+

Squib (Side, RH)

A14-2

SFR-

Squib (Side, RH)

A14-5

PR+

Squib (Seat Belt Pretensioner, RH)

A14-6

PR-

Squib (Seat Belt Pretensioner, RH)

A14-7

ESR

Side Airbag Sensor Assy (RH)

A14-9

FSR

Side Airbag Sensor Assy (RH)

A14-10

SSR-

Side Airbag Sensor Assy (RH)

A14-12

VUPR

Side Airbag Sensor Assy (RH)

05-421

DIAGNOSTICS

- SUPPLEMENTAL RESTRAINT SYSTEM (April, 2003)

SUPPLEMENTAL RESTRAINT SYSTEM (Apr., 2003)

05256-15

HOW TO PROCEED WITH TROUBLESHOOTING

The hand-held tester can be used at step 4, 6, 8 and 9.

VEHICLE BROUGHT TO WORKSHOP

CUSTOMER PROBLEM ANALYSIS (See page 05-423)

WARNING LIGHT CHECK (See page 05-424)

THE DTCs CHECK (Present and Past DTCs) (See page

05-424)

DTCs IS OUTPUT (INCLUDING NORMAL SYS-

TEM CODE): Go to step 5

DTCs IS NOT OUTPUT: PROBLEM SYMPTOMS

TABLE (See page 05-436)

THE DTCs CHART (See page 05-430)

CIRCUIT INSPECTION (See page 05-437 to 05-579)

TROUBLE CODE IS OUTPUT: Go to step 7

NORMAL SYSTEM CODE IS OUTPUT: Go to step

REPAIR

CLEAR THE DTCs (Present and Past DTCs) (See page

05-424)

05-422

DIAGNOSTICS

- SUPPLEMENTAL RESTRAINT SYSTEM (April, 2003)

THE DTCs CHECK (Present and Past DTCs) (See page

05-424)

DTCs IS NOT OUTPUT: Go to step 10

DTCs IS OUTPUT: Go to step 5

SYMPTOM SIMULATION (See page 01-20)

WARNING LIGHT REMAINS OFF: Go to step 11

WARNING LIGHT IS ON: Go to step 5

CONFIRMATION TEST

END

DIAGNOSTICS

- TOYOTA VEHICLE INTRUSION PROTECTION

05-701

SYSTEM

057RU-01

CUSTOMER PROBLEM ANALYSIS CHECK

TVIP SYSTEM Check Sheet

Inspector’s name:

Registration No.

Customer’s Name

Registration Year

Frame No.

Date Vehicle

Odometer Reading

Brought in

Mile

Date Problem First Occurred

F Constant F Sometimes ( Times per day, month)

Frequency Problem Occurs

F Once only

F Fine

F Cloudy

F Rainy

F Snowy

Weather

Weather Conditions

F Various/Others

When Problem

F Hot F Warm

F Cool

Occurred

Outdoor temperature

F Cold (Approx.

F (

C))

Problem Symptom

F TVIP system cannot be set.

F Indicator light does not flash when the TVIP system is set.

(It stays on or does not light at all.)

F TVIP system

F When unlocked using the

Malfunction

does not operate.

front door lock knob.

F Horn only

F When the doors or

F Headlights only

luggage is opened.

F Hazard lights only

F Room light only

F Forced door lock operation only

F System cannot be

F When door is unlocked using key or wireless door lock control system.

canceled, once set.

F When the key is inserted in the ignition key cylinder and turned to ACC or ON

position.

(However, only when the system has never operated)

F System cannot be

F When door is unlocked using key or wireless door lock control system.

canceled during warning

F When the key is inserted in the ignition key cylinder and turned to ON

operation.

position.

F Warning operation starts when the system is set and the door is opened with the key.

F Others.

DIAGNOSTICS

- TOYOTA VEHICLE INTRUSION PROTECTION

05-733

SYSTEM

057S7-01

DOOR COURTESY SWITCH CIRCUIT

CIRCUIT DESCRIPTION

The door courtesy switch turns ON when the door is opened and OFF when the door is closed.

WIRING DIAGRAM

I11

Integration Relay

TVIP ECU

R-W

DMLP

R-W

PCTY

R-W

Door Courtesy SW

Instrument Panel J/B

Front RH

R-W

PRCTY

CTY

R-W

DCTY

DSWD

Door Courtesy SW Front LH

R-W

Luggage Compartment

J10

Light SW

J/C

R-W

R-W 11

R-W

ID2

DSWL

Door Courtesy SW

Rear RH

R-Y

Door Courtesy SW Rear LH

R-B

898

05-734

DIAGNOSTICS

- TOYOTA VEHICLE INTRUSION PROTECTION

SYSTEM

INSPECTION PROCEDURE

CHECK COURTESY LAMP SWITCH

(a) Check the courtesy switch, as shown in the illustration

and table.

Free

Standard:

Terminal No.

Switch position

Specified condition

Push

Continuity

1  Body ground

Free

No continuity

Push

NG REPLACE COURTESY LAMP SWITCH

B59818

CHECK WIRE HARNESS (INTEGRATION RELAY  DOOR COURTESY SW)

(a) Disconnect the integration relay and door courtesy con-

Integration Relay

nectors.

(Wire Harness Side)

(b) Check the continuity between the terminals of the integra-

I11

tion relay and door courtesy switch connectors, as shown

in the illustration and table.

Standard:

Terminal No.

Specified condition

(Integration relay  Door courtesy SW)

I11-13  D5-1

Continuity

Door Courtesy SW Front RH

(Wire Harness Side)

B60033

B59191

B59599

DIAGNOSTICS

- TOYOTA VEHICLE INTRUSION PROTECTION

05-735

SYSTEM

(c)

Disconnect the each door courtesy switch connectors.

Integration Relay (Instrument Panel J/B)

(d) Check the continuity between the terminals of the integra-

(Wire Harness Side)

tion relay and door courtesy switch connectors, as shown

in the illustration and table.

Standard:

Terminal No.

Specified condition

(Integration relay  Door courtesy SW)

ID-1  D4-1

ID-15  D7-1

Continuity

ID-14  D6-1

Door Courtesy SW Front LH

Door Courtesy SW Rear RH

Door Courtesy SW Rear LH

(Wire Harness Side)

NG REPAIR OR REPLACE WIRE HARNESS AND

CONNECTOR

B59527

B59191

B59598

CHECK WIRE HARNESS (TVIP ECU  LUGGAGE COMPARTMENT LIGHT SW)

(a) Disconnect the TVIP ECU and luggage comportment

TVIP ECU

light switch connectors.

(Wire Harness Side)

(b) Check the continuity between the terminals of the TVIP

ECU and luggage compartment light switch connectors,

as shown in the illustration and table.

Standard:

Symbols (Terminal No.)

Specified condition

(TVIP ECU  Luggage compartment light SW)

DSWL (T3-35)  L4-1

Continuity

DSWL (35)

Luggage Compartment Light SW

(Wire Harness Side)

NG REPAIR OR REPLACE WIRE HARNESS AND

B52239

CONNECTOR

B59191

B59597

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE

(See page 01-30)

05-738

DIAGNOSTICS

- TOYOTA VEHICLE INTRUSION PROTECTION

SYSTEM

057S9-01

DOOR KEY LOCK AND UNLOCK SWITCH CIRCUIT

CIRCUIT DESCRIPTION

The door key lock and unlock switch is built in the door lock motor.

WIRING DIAGRAM

TVIP ECU

Door Key Lock and Unlock SW Front LH

Door Lock Motor Front LH

Door Unlock Detection SW Front LH

Unlock

L-Y

IC1

UL3

W-B

IC1

Lock

Center J/B

Door Key Lock and Unlock SW Front RH

Door Lock Motor Front RH

Door Unlock Detection SW Front RH

Lock

IJ2

W-B

IJ2

L-B

IJ2

UL2

Unlock

W-B

J/C

I24325

B59186

Content .. 80 81 82 83 ..