Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Echo 2000-2002 Approved techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 02echorm di rs cib1158b
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download cib1158b documenatation <<
Text preview - extract from the document
DI-382
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
DI4LA-27
DTC B1158/B1159/16 Front Airbag Sensor (LH) Malfunction
CIRCUIT DESCRIPTION
The front airbag sensor (LH) circuit consists of the airbag sensor assembly and front airbag sensor (LH).
For details of the function of each component, see OPERATION on page RS-2 .
DTC B1158/B1159/16 is recorded when malfunction is detected in the front airbag sensor (LH) circuit.
DTC No. DTC Detecting Condition Trouble Area
S Front airbag sensor (LH)
S Wire harness
B1158/B1159/16 S Front airbag sensor (LH) malfunction
S Engine room main wire harness
S Airbag sensor assembly
WIRING DIAGRAM
F1
Front Airbag Sensor (LH) Airbag Sensor Assembly
4 15
W-R W-R (SB)
ID1 C4 +SL
2
3 26
BR BR (SB)
ID1 C4 -SL
1
H02750
2002 ECHO (RM884U)
Author : Date : 552
DI-383
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
INSPECTION PROCEDURE
1 Prepare for inspection (See step 1 on page DI-390 ).
2 Check wire harness (to B+).
CHECK:
(a) Turn the ignition switch to ON.
Airbag (b) For the connector (on the airbag sensor assembly side)
Sensor
between the front airbag sensor (LH) and the airbag sen-
Assembly
sor assembly, measure the voltage between body ground
Front Airbag
and each of +SL and -SL.
Sensor (LH) Airbag Sensor
Assembly OK:
ON Voltage: Below 1 V
(+) SL+
(-)
H03355
AB0119 SL- NG Go to step 8.
H08065 H10972
OK
3 Check wire harness (to ground).
CHECK:
For the connector (on the airbag sensor assembly side) be-
tween the front airbag sensor (LH) and the airbag sensor as-
Airbag
Sensor sembly, measure the resistance between body ground and
Assembly each of +SL and -SL.
Front Airbag OK:
Sensor (LH) Airbag Sensor Resistance: 1 M or Higher
Assembly
SL+
(+)
(-)
H03355 SL-
H08399 H10973 NG Go to step 9.
OK
2002 ECHO (RM884U)
Author : Date : 553
DI-384
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
4 Check wire harness.
Front Airbag CHECK:
Sensor (LH) For the connector (on the airbag sensor assembly side) be-
Airbag tween the front airbag sensor (LH) and the airbag sensor as-
Sensor sembly, measure the resistance between +SL and -SL.
Assembly
OK:
Resistance: 1 M or Higher
Airbag Sensor
Assembly
(+) SL+
(-) SL-
H03355
H08058 H10974
NG Go to step 10.
OK
5 Check wire harness.
Front Airbag PREPARATION:
Sensor (LH) Using a service wire, connect +SL and -SL of the connector (on
Airbag the front airbag sensor (LH) side) between the airbag sensor
Sensor
assembly and the front airbag sensor (LH).
Assembly
CHECK:
Airbag Sensor For the connector (on the airbag sensor assembly side) be-
Assembly tween the front airbag sensor (LH) and the airbag sensor as-
SL+ SL-
sembly, measure the resistance between +SL and -SL.
OK:
SL+ Resistance: Below 1
(+)
(-) SL-
H03353
H09521H08058 H12942 NG Go to step 11.
OK
2002 ECHO (RM884U)
Author : Date : 554
DI-385
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
6 Check front airbag sensor (LH).
Front Airbag CHECK:
Sensor (LH) For the connector of the front airbag sensor (LH), measure the
Airbag
resistance between +SL and -SL.
Sensor OK:
Assembly Resistance: 300 - 1500
+SL -SL
(+) (-)
H04504
H01062 H08346
NG Replace front airbag sensor (LH).
OK
2002 ECHO (RM884U)
Author : Date : 555
DI-386
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
7 Check airbag sensor assembly.
PREPARATION:
Front Airbag
Sensor (LH) (a) Turn the ignition switch to LOCK.
(b) Disconnect negative (-) terminal cable from the battery,
Airbag
and wait at least for 90 seconds.
Sensor
Assembly (c) Connect the front airbag sensor (LH) connector and air-
bag sensor assembly connector.
(d) Connect negative (-) terminal cable to the battery, and
wait at least for 2 seconds.
ON CHECK:
(a) Turn the ignition switch to ON, and wait at least for 20 se-
conds.
(b) Clear DTC stored in memory (See step 5 on page
DLC3 DTC B1158/B1159/16 DI-239 ).
(c) Turn the ignition switch to LOCK, and wait at least for 20
seconds.
(d) Turn the ignition switch to ON, and wait at least for 20 se-
CG Tc conds.
H02757
(e) Check DTC (See page DI-239 ).
AB0119
H10600 H01064 H10647 OK:
DTC B1158/B1159/16 is not output.
HINT:
Codes other than code B1156/B1157/15 may be output at this
time, but they are not relevant to this check.
NG Replace airbag sensor assembly.
OK
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check.
2002 ECHO (RM884U)
Author : Date : 556
DI-387
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
8 Check engine room main wire harness (to B+).
Front Airbag PREPARATION:
Sensor (LH) Disconnect the engine room main wire harness connector on
Airbag the airbag sensor assembly side.
Sensor CHECK:
Assembly (a) Turn the ignition switch to ON.
Engine Room Main (b) For the connector (on the engine room main wire harness
Wire Harness
side) between the airbag sensor assembly and the en-
ON
gine room main wire harness, measure the voltage be-
tween body ground and each of +SL and -SL.
+SL -SL
OK:
Voltage: Below 1 V
(-) (+)
H03354
NG Repair or replace engine room main wire har-
AB0119 ness.
H08297 H10648
OK
Repair or replace harness or connector between airbag sensor assembly and engine room main
wire harness.
9 Check engine room main wire harness (to ground).
Front Airbag PREPARATION:
Sensor (LH) Disconnect the engine room main wire harness connector on
Airbag the airbag sensor assembly side.
Sensor CHECK:
Assembly For the connector (on the engine room main wire harness side)
between the airbag sensor assembly and the engine room main
Engine Room Main wire harness, measure the resistance between body ground
Wire Harness and each of +SL and -SL.
+SL -SL OK:
Resistance: 1 M or Higher
(-) (+)
NG Repair or replace engine room main wire har-
H03354
ness.
H08295 H10649
OK
Repair or replace harness or connector between airbag sensor assembly and engine room main
wire harness.
2002 ECHO (RM884U)
Author : Date : 557
DI-388
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
10 Check engine room main wire harness.
Front Airbag Engine Room Main PREPARATION:
Wire Harness
Sensor (LH) Disconnect the engine room main wire harness connector on
Airbag the airbag sensor assembly side.
Sensor CHECK:
Assembly For the connector (on the engine room main wire harness side)
between the airbag sensor assembly and the engine room main
wire harness, measure the resistance between +SL and -SL.
OK:
Resistance: 1 M or Higher
+SL -SL
(+) (-)
H03354 NG Repair or replace engine room main wire har-
H08293 H10650
ness.
OK
Repair or replace harness or connector between airbag sensor assembly and engine room main
wire harness.
2002 ECHO (RM884U)
Author : Date : 558
DI-389
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
11 Check engine room main wire harness.
Engine Room Main PREPARATION:
Front Airbag
Wire Harness (a) Disconnect the engine room main wire harness connector
Sensor (LH)
on the airbag sensor assembly side.
Airbag
Sensor (b) Using a service wire, connect +SL and -SL of the connec-
Assembly tor (on the engine room main wire harness side) between
the engine room main wire harness and the front airbag
sensor (LH).
CHECK:
-SL +SL For the connector (on the engine room main wire harness side)
+SL -SL
between the airbag sensor assembly and the engine room main
wire harness, measure the resistance between +SL and -SL.
OK:
(+) (-) Resistance: Below 1
H03352
H09521 H08293 H10651
NG Repair or replace engine room main wire har-
ness.
OK
Repair or replace harness or connector between airbag sensor assembly and engine room main
wire harness.
2002 ECHO (RM884U)
Author : Date : 559
◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo