2005 TOYOTA AVENSIS Service Repair Manual

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Page 937 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual C87490
Skid Control ECU
with Actuator
S117 D5 DLC3
TC
CG13
4
W±B (*1) W±L (*1)
AA BB
W±B (*2)J/C
W±L (*1) W±L (*2)
W±B (*1) J16
J/C
IP CB3
CA6 DL15
DB17Driver Side J/B
Center J/B
W±B (*2)W±L

Page 938 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual ±
DIAGNOSTICS ABS WITH EBD & BA & TRC & VSC SYSTEM
05±853
AVENSIS REPAIR MANUAL (RM1018E)
2CHECK HARNESS AND CONNECTOR(DLC3 ± BODY GROUND)
(a)Check for an open or short circuit in harness and con

Page 939 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual F45145
*1: 1AZ±FSE
*2: 1CD±FTV*3: LHD
*4: RHD B±G
12 Engine Room J/B No.4
(*1)
(*2)
B1
4B1
4D ALT
FL MAIN
Engine Room R/B No.3
ALT
33
12(*2)
W B±G(*1) B±G(*1)(*2)
W
B±L(*2)1
ED1 Driver Side J/B

Page 940 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual F02192
12
(+)(±)
±
DIAGNOSTICS ABS WITH EBD & BA & TRC & VSC SYSTEM
05±851
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
HINT:
Start the inspection from step 1 if you are using the hand±h

Page 941 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual 05C94±02
05±920±
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT](U241E(1AZ±FSE))
AVENSIS REPAIR MANUAL (RM1018E)
PRE±CHECK
1.DIAGNOSIS SYSTEM
(a)Description (1)When troubleshooting

05C94±02
05±920±
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT](U241E(1AZ±FSE))
AVENSIS REPAIR MANUAL (RM1018E)
PRE±CHECK
1.DIAGNOSIS SYSTEM
(a)Description (1)When troubleshooting Euro±OBD vehicles, theonly difference from the usual troubleshooting pro-
cedure is that you connect the vehicle to the OBD
scan tool complying with ISO 15031±4 or hand±
held tester, and read off various data output from
the vehicle's ECM.
(2)Euro±OBD regulations require that the vehicle's on±board computer illuminates the Check Engine
Warning Light (Malfunction Indicator Lamp)/CHK
ENG (MIL) on the instrument panel when the com-
puter detects a malfunction in the emission control
system/components or in the driving system com-
ponents which affect vehicle emissions, or a mal-
function in the computer. In addition to CHK ENG
(MIL) illuminating when a malfunction is detected,
the applicable Diagnostic Trouble Codes (DTCs)
prescribed by ISO15031±6 are recorded in the
ECM memory.
If the malfunction does not occur in 3±trip, the CHK ENG (MIL)
goes off but the DTCs remain recorded in the ECM memory. (3)To check the DTCs, connect the OBD scan tool orhand±held tester to the Data Link Connector 3
(DLC3) on the vehicle. The OBD scan tool or hand±
held tester also enables you to erase the DTCs and
check freezed frame data and various forms of en-
gine data (For operating instructions, see the OBD
scan tool's instruction book.).
(4)DTCs include ISO controlled codes and manufac- turer controlled codes. ISO controlled codes must
be set as prescribed by the ISO, while manufacturer
controlled codes can be set freely by the manufac-
turer within the prescribed limits (See DTC chart on
page 05±931).
(5) The diagnosis system operates in normal mode during normal vehicle use. It also has a check mode
for technicians to simulate malfunction symptoms
and troubleshoot. Most DTCs use 2 trip detection
logic (*) to prevent erroneous detection, and ensure
thorough malfunction detection. By switching the
ECM to check mode when troubleshooting, techni-
cians can cause the CHK ENG (MIL) to illuminate
for a malfunction that is only detected once or mo-
mentarily (Hand±held tester only) (See step 2).

Page 942 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual D25148
DLC3 12345 768
9 1 0111 21 3 1 514 16
FI2547
± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FSE))05±921
AVENSIS REPAIR MANUAL (RM1018E)
(6) *2 trip detection logic

Page 943 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual BR3904
ON
OFF 0.13 sec.
0.13 sec.
05±922
±
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT](U241E(1AZ±FSE))
AVENSIS REPAIR MANUAL (RM1018E)
(b)Check the DTC, using the hand±held teste

Page 944 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual ± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FSE))05±923
AVENSIS REPAIR MANUAL (RM1018E)
(8) Simulate the conditions of the malfunction de-
scribed by the customer.
NOT

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