code TOYOTA AVENSIS 2005 Service Repair Manual

05±1068
±
DIAGNOSTICS ELECTRONIC MOTOR POWER STEERING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
NOTICE:
When performing the inspection of power steering ECU, ECU must be instal\
led to the vehicle or fully
fixed.
HINT:
Start the inspection from the step 1 with using hand±held tester. Start from step 2 without using hand±held
tester.
1READ VALUE OF HAND±HELD TESTER
(a)Connect the hand±held tester to the DLC3.
(b)Turn the ignition switch to ON, and turn the hand±held tester main swi\
tch to ON.
(c)Select the item ºSPDº in the DATA LIST and read its value displayed on the hand±held tester.
(d)Check that there is no difference between the speed value output from the speedometer displayed by the hand±held tester and the speed value displayed by the speedometer wh\
en driving the vehicle.
OK:
There is almost no difference in the displayed speed values.
HINT:
There is tolerance of
10 % in the speedometer indication.
OKREPLACE POWER STEERING ECU ASSY(Seepage 50±20)
NG
2 CHECK DIAGNOSTIC CODE OUTPUT
(a) Check that DTC for brake system output the normal code. NG REPAIR CIRCUIT INDICATED BY OUTPUTCODE
OK

05±1066
±
DIAGNOSTICS ELECTRONIC MOTOR POWER STEERING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
DTCC1531/31EMPS ECU Circuit Malfunction
DTCC1532/32EMPS ECU Circuit Malfunction
DTCC1533/33EMPS ECU Circuit Malfunction
DTCC1534/34EMPS ECU Circuit Malfunction
DTCC1581/81Assist Map Un±written
CIRCUIT DESCRIPTION
DTC No.DTC Detecting ConditionTrouble Area
C1531/31
C1532/32PoersteeringECUassmalfnctionC1533/33Power steering ECU assy malfunctionPower steering ECU assy
C1534/34
gy
C1581/81Assist map un±written
INSPECTION PROCEDURE
1RECONFIRM DTC
(a)Check the DTCs (See page 05±1045).
(b) Is DTC except for C1531/31, C1532/32, C1533/33, C1534/34 and/or C1581/81\
output? YES REPAIR CIRCUIT INDICATED BY OUTPUTCODE
NO
REPLACE POWER STEERING ECU ASSY (See page 50±20)
050WS±04

05±1140
±
DIAGNOSTICS AIR CONDITIONING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
1PERFORM ACTUATOR CHECK
(a)Set the actuator check mode (See page 05±1091).
(b) Press the DEF switch (driver side) and change to the step operation.
(c) Check the air flow temperature by hand.
Display CodeAir Mix Damper Operation
0COOL side (0 % open)
1COOL side (0 % open)
2COOL side (0 % open)
3COOL side (0 % open)
4COOL/HOT (50% open)
5COOL/HOT (50% open)
6HOT side (100% open)
7HOT side (100% open)
8HOT side (100% open)
9HOT side (100% open)
NG PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE
OK

±
DIAGNOSTICS AIR CONDITIONING SYSTEM
05±1137
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
1PERFORM ACTUATOR CHECK
(a)Warm up engine.
(b)Set the actuator check mode (See page 05±1091).
(c) Press the DEF switch and change it to the step operation.
(d) Check the air flow by hand.
Display codeAir flow condition
0FACE
1FACE
2FACE
3FACE
4FACE1
5B/L
6FOOT1
7FOOT
8FOOT/DEF
9DEF
OK PROCEED TO NEXT CIRCUIT INSPECTION
SHOWN ON PROBLEM SYMPTOMS TABLE
NG

05±1134
±
DIAGNOSTICS AIR CONDITIONING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
1PERFORM ACTUATOR CHECK
(a)Set the actuator check mode (See page 05±1091).
(b) Press the DEF switch (passenger side) and change to step operation.
(c) Check the air flow temperature by hand.
Display CodeAir Mix Damper Operation
0COOL side (0% open)
1COOL side (0% open)
2COOL side (0% open)
3COOL side (0% open)
4COOL/HOT (50% open)
5COOL/HOT (50% open)
6HOT side (100% open)
7HOT side (100% open)
8HOT side (100% open)
9HOT side (100% open)
OK PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE
NG

05±1132
± DIAGNOSTICSAIR CONDITIONING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
4 READ OUTPUT DTC
(a) Clear the DTCs.
(b) Read the DTC at least 1.0 minutes after turning the ignition switch ON.
Standard: Normal codes are output.
NG REPLACE AIR CONDITIONING AMPLIFIER
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE

05±1128
±
DIAGNOSTICS AIR CONDITIONING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
3CHECK HARNESS AND CONNECTOR(MODE DAMPER SERVO SUB±ASSY ± A/C AMPLIFIER)
(a)Check for an open or short circuit in harness and connector between mode damp\
er position sensor
and A/C amplifier (See page 01±32).
NG REPAIR OR REPLACE HARNESS ORCONNECTOR
OK
4 READ OUTPUT DTC
(a) Clear the DTCs.
(b) Read the DTC at least 1.0 minutes after turnig the ignition switch ON. Standard: Normal codes are output.
NG REPLACE AIR CONDITIONING AMPLIFIER
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE

± DIAGNOSTICSAIR CONDITIONING SYSTEM
05±1125
AVENSIS REPAIR MANUAL (RM1018E)
4 READ OUTPUT DTC
(a) Clear the DTCs.
(b) Read the DTC at least 1.0 minutes after turning the ignition switch ON.
Standard: Normal codes are output.
NG REPLACE AIR CONDITIONING AMPLIFIER
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE

± DIAGNOSTICSAIR CONDITIONING SYSTEM
05±1121
AVENSIS REPAIR MANUAL (RM1018E)
3 READ OUTPUT DTC
(a) Clear the DTCs.
(b) Read the DTC at least 8.5 minutes after turning the ignition switch ON.
Standard: Normal codes are output.
NG REPLACE AIR CONDITIONING AMPLIFIER
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

05±1118
±
DIAGNOSTICS AIR CONDITIONING SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
3CHECK HARNESS AND CONNECTOR(AIR CONDITIONER PRESSURE SENSOR ± A/C AMPLIFIER)
(a)Check for an open or short circuit in harness and connector between pressure s\
ensor and A/C amplifier
(See page 01±32).
NG REPAIR OR REPLACE HARNESS ORCONNECTOR
OK
4 READ OUTPUT DTC
(a) Clear the DTCs.
(b) After turning the ignition switch ON, read DTC. Standard: Normal codes are output.
NG REPLACE AIR CONDITIONING AMPLIFIER
OK
SYSTEM OK