code TOYOTA AVENSIS 2005 Service Repair Manual
Page 827 of 5135
Inspector 's
Name:
Customer 's Name
Date Vehicle
Brought InOdometer Reading/ /
/ /
Date Problem First Occurred
Frequency Problem Occurs/ /
ContinuousIntermittent ( times a day)
TRAC does not operate. (Wheels spin when starting rapidly.)
DisplaysDoes not Display
DTC Check1st Time
2nd TimeNormal Code
Malfunction Code (Code )
Normal CodeMalfunction Code (Code )
Symptomskm
miles
Light TRC OFF Indicator
Light SLIP Indicator
Remains ONDoes not Light Up
Check Item
NormalMalfunction Code (Code )
NormalMalfunction Code (Code )
ABS Warning Light
Malfunction
Indicator Light TRC & VSC Check Sheet
Remains ONDoes not Light Up
VSC does not operate. (Wheels sideslip at the time of sharp turning.)
VSC Warning
Indicator
Skid Control
BuzzerDoes not SoundSounds
VSC/TRC OFF SW
SYSTEM
Freeze Frame Data
SHIFT POSITION
YAW RATON
OFF
VSC/TRC
P, NR
D
deg/s
VFAIL
23
4L
MAS CYL PRESS
THROTTLE
MAS PRESS GRADE
G (RIGHT&LEFT)
G (BACK&FORTH)
STEERING ANG
deg
deg
MPa/s
G
G VIN
Licence No.Production Date
± DIAGNOSTICSABS WITH EBD & BA & TRC & VSC SYSTEM
05±755
AVENSIS REPAIR MANUAL (RM1018E)
Page 836 of 5135
05±746
±
DIAGNOSTICS ABS WITH EBD SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
1RECONFIRM DTC
(a)Check the DTC (See page 05±699). OK:
Normal code
NGREPAIR CIRCUIT INDICATED BY OUTPUTCODE
OK
2INSPECT PARKING BRAKE SWITCH CIRCUIT
(a)Check for an open or short circuit in the parking brake switch circuit (See page 01±32). NGREPAIR OR REPLACE PARKING BRAKESWITCH CIRCUIT
OK
3INSPECT BRAKE FLUID LEVEL WARNING SWITCH CIRCUIT
(a)Check the brake fluid level in reservoir.
(b)Check for an open or shot circuit in brake fluid level warning switch ci\
rcuit (See page 01±32). NG REPAIR OR REPLACE BRAKE FLUID LEVELWARNING SWITCH CIRCUIT
OK
4 INSPECT VACUUM WARNING SWITCH CIRCUIT
(a) Check for an open or short circuit in harness and connector between the vacuum warning switch and skid control ECU (See page 01±32).
NG REPAIR OR REPLACE HARNESS ORCONNECTOR
OK
5 INSPECT COMBINATION METER ASSEMBLY(BRAKE WARNING LIGHT CIRCUIT)
(a)Check for an open or short circuit in the combination meter (See page 01±32). NG REPAIR OR REPLACE COMBINATION METERASSEMBLY
OK
Page 843 of 5135
F45088GNDGNDIG1
±
DIAGNOSTICS ABS WITH EBD SYSTEM
05±739
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
1RECONFIRM DTC
(a)Check the DTCs are output (See page 05±699).
YES REPAIR CIRCUIT INDICATED BY OUTPUTCODE
NO
2 INSPECT SKID CONTROL ECU CONNECTOR SECURELY CONNECTED
NO CONNECT CONNECTOR TO ECU
YES
3 INSPECT SKID CONTROL ECU CONNECTOR(IG1 TERMINAL VOLTAGE)
IN CASE OF USING HAND±HELD TESTER:
(a) Check the voltage condition, which is output from the ECU and displayed \
on the hand±held tester. OK:
ºNormalº is displayed.
IN CASE OF NOT USING HAND±HELD TESTER:
(a) Disconnect the skid control ECU connector.
(b) Turn the ignition switch ON.
(c) Measure the voltage between terminals IG1 and GND ofthe skid control ECU harness side connector.
Voltage: 10 to 14 V
OK Go to step 5
NG
Page 846 of 5135
05±736
±
DIAGNOSTICS ABS WITH EBD SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
1RECONFIRM DTC
(a)Check if other DTCs are detected (See page 05±699). YES REPAIR CIRCUIT INDICATED BY OUTPUTCODE
NO
REPLACE BRAKE ACTUATOR ASSY(See page 32±54)
Page 847 of 5135
F45088GNDGNDIG1
±
DIAGNOSTICS ABS WITH EBD SYSTEM
05±733
AVENSIS REPAIR MANUAL (RM1018E)
DTCC1300/62SKID CONTROL ECU MALFUNCTION
CIRCUIT DESCRIPTION
DTC No.DTC Detecting ConditionTrouble Area
C1300/62Internal control unit of skid control ECU failure.ECU
INSPECTION PROCEDURE
1RECONFIRM DTC
ADTC C1300/62
BExcept DTC C1300/62
BREPAIR CIRCUIT INDICATED BY OUTPUT
CODE
A
2INSPECT SKID CONTROL ECU CONNECTOR(IG1 TERMINAL VOLTAGE)
IN CASE OF USING HAND±HELD TESTER:
(a)Check the voltage condition, which is output from the ECU and displayed \
on the hand±held tester. OK:
ºNormalº is displayed.
IN CASE OF NOT USING HAND±HELD TESTER:
(a)Disconnect the skid control ECU connector.
(b)Turn the ignition switch ON.
(c)Measure the voltage between terminals IG1 and GND ofthe skid control ECU harness side connector.
OK:
Voltage: 10 to 14 V
OKREPLACE BRAKE ACTUATOR ASSY (See page 32±54)
NG
0577W±04
Page 854 of 5135
F45132
Battery
FL MAIN Skid Control ECU
with Actuator
B±G (*1)L (*1) 1
ALT
Engine Room R/B No.4 & Engine Room J/B No.4
1
4B
W±BS1
S1 10
9
+BM
12
1
2
GND1 GND2
S1 6
W±B W±B
*1: 1AZ±FSE
*2: 1CD±FTV EA4
L (*2)
W (*2)
2
12
331
1B1
VSC
ALT
Engine Room R/B No.3
Engine Room R/B No.1 &
Engine Room J/B No.1
B (*2)
B±G (*1) VSC
05±806
±
DIAGNOSTICS ABS WITH EBD & BA & TRC & VSC SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
WIRING DIAGRAM
INSPECTION PROCEDURE
1RECONFIRM DTC
(a)Check if other DTCs are detected (See page 05±756). YES REPAIR CIRCUIT INDICATED BY OUTPUTCODE
NO
REPLACE ABS & TRACTION ACTUATOR ASSY(See page 32±57)
Page 862 of 5135
F45092
Gasoline engine:
Diesel engine:
NEO
NEO
F03007
(Reference)
3 ± 6 V
Below 1 V
05±798
± DIAGNOSTICSABS WITH EBD & BA & TRC & VSC SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
2 INSPECT ECM TERMINAL VOLTAGE(NEO TERMINAL)
(a) Remove the ECM with connector still connected.
(b) Turn the ignition switch ON.
(c) Measure the voltage between terminal NEO of the ECM
and body ground under the engine conditions below.
OK:
Engine conditionVoltage
OFF (IG ON)3 to 6 V or below 1 V
ON (Idling)3 to 6 V below 1 V (Pulse)
NG REPLACE ECM
OK
IF THE SAME CODE IS STILL OUTPUT AFTER THE DTC IS DELETED, CHECK THE CONTACT
CONDITION OF EACH CONNECTION
Page 863 of 5135
05±796
± DIAGNOSTICSABS WITH EBD & BA & TRC & VSC SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
DTC C1201/45 ENGINE CONTROL SYSTEM MALFUNCTION
CIRCUIT DESCRIPTION
DTC No.DTC Detecting ConditionTrouble Area
C1201/45A trouble signal in the engine control system is input.Engine control system
HINT:
If trouble occurs in the engine control system, the ECU prohibits TRC and VSC control.
INSPECTION PROCEDURE
1 CHECK DTC FOR ENGINE
ANormal Code
BMalfunction Code
B REPAIR ENGINE CONTROL SYSTEM
ACCORDING TO CODE OUTPUT
A
REPLACE ECM
05C5O±01
Page 871 of 5135
C94397
+BSGND
F45087
Engine Room R/B No.4
Engine Room R/B No.1 Diesel Engine:Gasoline Engine:
VSC (25 A)
VSC (25 A)
05±788
± DIAGNOSTICSABS WITH EBD & BA & TRC & VSC SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
1 INSPECT SKID CONTROL ECU CONNECTOR(+BS TERMINAL VOLTAGE)
(a) Disconnect the skid control ECU connector.
(b) Measure the voltage between terminals +BS and GND of
the skid control ECU harness side connector.
OK:
Voltage: 10 to 14 V
OK IF THE SAME CODE IS STILL OUTPUT AFTER
THE DTC IS DELETED, CHECK THE CONTACT
CONDITION OF EACH CONNECTION
NG
2 INSPECT FUSE(VSC FUSE)
(a) Remove the VSC (25 A) fuse from the engine room R/B
No.4 (Gasoline engine) or engine room R/B No.1 (Diesel
engine).
(b) Check continuity of the VSC fuse.
OK:
Continuity
NG CHECK FOR SHORT IN ALL HARNESS AND
COMPONENTS CONNECTED FUSE
OK
Page 874 of 5135
C94397
GND
+BM
± DIAGNOSTICSABS WITH EBD & BA & TRC & VSC SYSTEM
05±785
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
HINT:
Start the inspection from step 1 if you are using the hand±held tester and start from step 2 if you are not using
the hand±held tester.
1 PERFORM ACTIVE TEST BY HAND±HELD TESTER(ABS MOTOR RELAY)
(a) Check the operation sound of the ABS motor individually when operating it with the hand±held tester.
OK:
The operation sound of the ABS motor is heard.
OK IF THE SAME CODE IS STILL OUTPUT AFTER
THE DTC IS DELETED, CHECK THE CONTACT
CONDITION OF EACH CONNECTION
NG
2 INSPECT SKID CONTROL ECU CONNECTOR(+BM TERMINAL VOLTAGE)
(a) Disconnect the skid control ECU connector.
(b) Measure the voltage between terminals +BM and GND of
the skid control ECU harness side connector.
OK:
Voltage: 10 to 14 V
OK IF THE SAME CODE IS STILL OUTPUT AFTER
THE DTC IS DELETED, CHECK THE CONTACT
CONDITION OF EACH CONNECTION
NG