TOYOTA AVENSIS 2005 Service Repair Manual


H42846
Airbag
Sensor
Assy
Center Knee Squib
DK± DK+Floor Wire
No.2 Instrument
Panel Wire
A
B C
D E F

H42847
Airbag
Sensor
Assy
Center Knee Squib
DK± DK+Floor Wire No.2
A
B C
D E F
05±1380
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
12 CHECK INSTRUMENT PANEL WIRE(TO GROUND)
(a) Disconnect the instrument panel wire connector from the
floor wire No.2.
(b) Measure the resistance between the body ground and
DK+ of the connector ºEº.
OK:
Resistance: 1 M
or Higher
NG REPAIR OR REPLACE INSTRUMENT PANEL
WIRE
OK
13 CHECK FLOOR WIRE NO.2(TO GROUND)
(a) Measure the resistance between the body ground and
DK+ of the connector ºCº.
OK:
Resistance: 1 M
or Higher
NG REPAIR OR REPLACE FLOOR WIRE NO.2
OK
14 USE SIMULATION METHOD TO CHECK
NG Go to step 1
OK
REPLACE ALL SRS COMPONENTS INCLUDING WIRE HARNESS


H42846
Airbag
Sensor
Assy
Center Knee Squib
DK± DK+Floor Wire
No.2 Instrument
Panel Wire
A
B C
D E F

H42847
Airbag
Sensor
Assy
Center Knee Squib
DK± DK+Floor Wire No.2
A
B C
D E F
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
05±1381
AVENSIS REPAIR MANUAL (RM1018E)
15 CHECK INSTRUMENT PANEL WIRE(OPEN)
(a) Disconnect the instrument panel wire connector from the
floor wire No.2.
(b) Measure the resistance between DK+ and DK± of the
connector ºEº.
OK:
Resistance: Below 1

NG REPAIR OR REPLACE INSTRUMENT PANEL
WIRE
OK
16 CHECK FLOOR WIRE NO.2(OPEN)
(a) Measure the resistance between DK+ and DK± of the
connector ºCº.
OK:
Resistance: Below 1

NG REPAIR OR REPLACE FLOOR WIRE NO.2
OK
USE SIMULATION METHOD TO CHECK

\b
H42846
Airbag
Sensor
Assy
Center
Knee Squib
DK±
DK+ Floor Wire
No.2
Instrument
Panel Wire
A
B
C
D
E
F

H42847
Airbag
Sensor
Assy
Center
Knee Squib
DK±
DK+ Floor Wire No.2
A
B
C
D
E
F
05±1382
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
17CHECK INSTRUMENT PANEL WIRE(SHORT)
(a)Disconnect the instrument panel wire connector from the floor wire No.2.
(b)Release the activation prevention mechanism built in the connector ºDº (See page 05±1184).
(c) Measure the resistance between DK+ and DK± of the connector ºEº.
OK:
Resistance: 1 M
or Higher
NG REPAIR OR REPLACE INSTRUMENT PANEL WIRE
OK
18 CHECK FLOOR WIRE NO.2(SHORT)
(a) Release the activation prevention mechanism built in the connector ºBº.
(b) Measure the resistance between DK+ and DK± of the connector ºCº.
OK:
Resistance: 1 M
or Higher
NG REPAIR OR REPLACE FLOOR WIRE NO.2
OK
USE SIMULATION METHOD TO CHECK




H40584
P Squib
(2nd step)Airbag
Sensor
Assy
Center
P2+Instrument Panel Wire
A
B
C
D
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1371
AVENSIS REPAIR MANUAL (RM1018E)
DTC B1188/56 SHORT IN P SQUIB (2ND STEP) CIRCUIT
(TO B+)
CIRCUIT DESCRIPTION
The P squib (2nd step) circuit consists of the airbag sensor assy center \
and the instrument panel passenger
airbag assy.
This circuit actuates the SRS to deploy when the SRS deployment conditio\
ns are fulfilled.
DTC B1188/56 is recorded when a short to B+ is detected in the P squib (2nd s\
tep) circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1188/56

Short circuit in P squib (2nd step) wire harness (to B+)

P squib (2nd step) malfunction

Airbag sensor assy center malfunction
Instrument panel passenger airbag assy (P squib, 2nd step)

Airbag sensor assy center

Instrument panel wire
WIRING DIAGRAM
See page 05±1362.
INSPECTION PROCEDURE
1 CHECK INSTRUMENT PANEL WIRE(P SQUIB, 2ND STEP CIRCUIT)
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (±) terminal cable from the bat-
tery, and wait for at least 90 seconds.
(c) Disconnect the connectors from the airbag sensor assy center and the instrument panel passenger airbag assy.
(d) Connect the negative (±) terminal cable to the battery,
and turn the ignition switch to the ON position.
(e) Measure the voltage between the body ground and P2+ of the connector ºCº.
OK:
Voltage: Below 1 V
NG REPAIR OR REPLACE INSTRUMENT PANEL WIRE
OK
056N0±03


 
 



\bH42248
Airbag
Sensor
Assy
Center
P2+
P2±
DTC B1188/56
DLC3
TC
CG
P Squib
(2nd step)Instrument Panel Wire
SST
C
D
05±1372
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
2CHECK AIR BAG SENSOR ASSY CENTER
(a)Turn the ignition switch to the LOCK position.
(b)Disconnect the negative (±) terminal cable from the bat- tery, and wait for at least 90 seconds.
(c)Connect the connector to the airbag sensor assy center.
(d)Using SST, connect P2+ and P2± of the connector ºCº. SST09843±18040
(e)Connect the negative (±) terminal cable to the battery,
and wait for at least 2 seconds.
(f)Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(g)Clear the stored DTCs in the memory (See page
05±1184).
(h) Turn the ignition switch to the LOCK position.
(i) Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(j)Check the DTCs (See page 05±1184).
OK:
DTC B1188/56 is not output.
HINT:
Codes other than code B1188/56 may be output at this time, but
they are not related to this check.
NG REPLACE AIR BAG SENSOR ASSY CENTER
OK






 \bH42152
DTC B1188/56
DLC3 Airbag
Sensor
Assy
Center
TC
CG
P Squib
(2nd step)
C
D
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1373
AVENSIS REPAIR MANUAL (RM1018E)
3CHECK INSTRUMENT PANEL PASSENGER AIR BAG ASSY(P SQUIB, 2ND STEP)
(a)Turn the ignition switch to the LOCK position.
(b)Disconnect the negative (±) terminal cable from the bat-
tery, and wait for at least 90 seconds.
(c)Connect the connector to the instrument panel passen- ger airbag assy.
(d)Connect the negative (±) terminal cable to the battery, and wait for at least 2 seconds.
(e)Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(f)Clear the stored DTCs in the memory (See page 05±1184).
(g) Turn the ignition switch to the LOCK position.
(h) Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(i)Check the DTCs (See page 05±1184). OK:
DTC B1188/56 is not output.
HINT:
Codes other than code B1188/56 may be output at this time, but
they are not related to this check.
NG REPLACE INSTRUMENT PANEL PASSENGER AIR BAG ASSY
OK
4 USE SIMULATION METHOD TO CHECK
NG Go to step 1
OK
REPLACE ALL SRS COMPONENTS INCLUDING WIRE HARNESS

05C3C±01
NAVIGATION SYSTEM Check SheetInspector 's name:
Customer 's Name
Date of VehicleVIN
Production Date
Licence No.
Odometer Reading / /km
Mile
Frequency Problem Occurs
/ /

Always
Intermittent ( Times a day) Brought in

Cursor movement is defective.
Date Problem First Occurred
Problem Symptom

Cursor does not move.

GPS mark does not appear.

Map is not displayed.

Screen is dark.

Screen is white.

Color is not uniform.

Screen is out of order.

Cannot operate with navigation controller assy
Others ( )

Others ( )

Others ( ) Navigation
malfunction
Display
malfunction
Control
Switch
malfunction
Navigation ECU
Radio Receiver Assy
DTC Check
Parts name 1st time malfunction code. 2nd time malfunction code.
Multi±display (CRT display) Display
Body ECU
± DIAGNOSTICSNAVIGATION SYSTEM
05±1437
AVENSIS REPAIR MANUAL (RM1018E)
CUSTOMER PROBLEM ANALYSIS CHECK

05C3B±01
±
DIAGNOSTICS NAVIGATION SYSTEM
05±1435
AVENSIS REPAIR MANUAL (RM1018E)
NAVIGATION SYSTEM
HOW TO PROCEED WITH TROUBLESHOOTING
1Vehicle Brought to Workshop
2Customer Problem Analysis (See page 05±1437)
3 Problem Symptom Confirmation
Symptom does not occur (Go to step 4)
Symptom occurs (Go to step 5)
4Symptom Simulation (See page 01±32)
5DTC Check (See page 05±1438)
Normal code (Go to step 7)
Malfunction code (Go to step 6)
6DTC Chart (See page 05±1453)
Go to step 8
7Problem Symptoms Table (See page 05±1464)
8 Circuit Inspection and Part Inspection
9 Indemnification of Problem

05±1436
± DIAGNOSTICSNAVIGATION SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
10 Repair or Replace
11 Confirmation Test
End

I35619
Steering Pad SW LH
AU1
AU2
EAU12
11
10LG
P
W±RR117
8
6SW1
SW2
GND Radio Receiver Assy
R11
R11 S15
S15
S15 05±1432
± DIAGNOSTICSAUDIO SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
A AUDIO SYSTEM CANNOT BE OPERATED WITH STEERING PAD
SWITCH
WIRING DIAGRAM
05C55±01