2001 TOYOTA AVALON fluid
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DI6NQ-01
Vehicle Brought to Workshop
Customer Problem Analysis
P. DI-251
Check and Clear DTC (Precheck)
P. DI-252Items inside
are titles of pages in this manual,
with the page number in the bottom portion. See
the pages for detailed explanations.
Problem Symptom ConfirmationSymptom Simulation
P. IN-20
Symptom
does not occur
Symptom
occurs
DTC Check
P. DI-252
Sensor CheckCircuit Inspection
P. DI-267 - DI-344
DTC Chart
P. DI-258 Malfunction codeProblem Symptoms Table
P. DI-266
Check for Fluid Leakage
P. DI-346
Identification of Problem
Normal code
Repair
Confirmation Test
End
1
2
3
4
5
67
89
10
11
Fail safe function:
When a failure occurs in the ABS & BA & TRAC & VSC system, the respective warning light (ABS, VSC) is lit and
the operation of ABS & BA & TRAC & VSC is prohibited. In addition to this, when the failure which disables the EBD
operation occurs, the brake warning light is lit as well and the EBD operation is prohibited.Step 2, 5, 8, 9, 11:Diagnostic steps permitting the use of the
TOYOTA hand-held tester or TOYOTA
break-out-box. DI-250
- DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
406 Author: Date:
2001 AVALON (RM808U)
ABS WITH EBD & BA & TRAC & VSC SYSTEM
HOW TO PROCEED WITH TROUBLESHOOTING
Troubleshoot in accordance with the procedure on the following pages.
Page 724 of 1897
F07880
DI6NS-01
F02201Tc E
1DLC1
DI-252
- DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
408 Author: Date:
2001 AVALON (RM808U)
PRE-CHECK
1. DIAGNOSIS SYSTEM
(a) Check the warning lights.
(1) Release the parking brake pedal.
(2) When the ignition switch is turned ON, check that
the ABS warning light, VSC warning light, VSC OFF
indicator light, BRAKE warning light and SLIP indi-
cator light goes on for approx. 3 seconds.
HINT:
When the parking brake is applied or the level of the brake
fluid is low, the BRAKE warning light is lit.
If the indicator check result is not normal, proceed to trou-
bleshooting for the ABS warning light circuit, VSC warn-
ing light circuit, VSC OFF indicator light circuit, BRAKE
warning light circuit or SLIP indicator light circuit.
Trouble AreaSee page
ABS warning light circuitDI-325
VSC warning light circuitDI-327
VSC OFF indicator light circuitDI-336
BRAKE warning light circuitDI-330
SLIP indicator light circuitDI-333
(b) In case of not using TOYOTA hand-held tester:
Check the DTC of ABS & BA & TRAC & VSC ECU.
(1) Using SST, connect terminals Tc and E
1 of DLC1.
SST 09843-18020
(2) Turn the ignition switch ON.
(3) Read the DTC from the ABS warning light and VSC
warning light on the combination meter.
HINT:
If no code appears, inspect the diagnostic circuit, ABS
warning light circuit or VSC waning light circuit.
Trouble AreaSee page
Tc terminal circuitDI-342
ABS warning light circuitDI-325
VSC warning light circuitDI-327
Page 725 of 1897
R01346
Normal Code
0.25 sec.
0.25 sec. 2 sec.
ON
OFF
ON
OFF0.5 sec. 0.5 sec.
Code 11 and 21
4 sec.1.5 sec.
2.5 sec.
Code 11 Code 21
F02201
DLC1 E
1Tc
- DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
DI-253
409 Author: Date:
2001 AVALON (RM808U)
As an example, the blinking patterns for normal code and
codes 11 and 21 are shown on the left.
(4) Codes are explained in the code table on page
DI-258.
(5) After completing the check, disconnect terminals Tc
and E
1, and turn off the display.
If 2 or more malfunction codes are identified at the same time,
the lowest numbered DTC will be displayed 1st.
(c) In case of not using TOYOTA hand-held tester:
Check the DTC of translate ECU.
(1) Release the parking brake pedal.
(2) Check the brake fluid level.
(3) Using SST, connect terminals Tc and E
1 of DLC1.
SST 09843-18020
(4) Turn the ignition switch ON.
(5) Read the DTC from the BRAKE warning light.
HINT:
If no code appears, inspect the diagnostic circuit, and
BRAKE warning light circuit.
Trouble AreaSee page
Tc terminal circuitDI-342
BRAKE warning light circuitDI-330
When the parking brake is applied or the level of the brake
fluid is low, the BRAKE warning light is lit.
If every sensor is normal, a normal code is output. (A cycle
of 0.25 sec. ON and 0.25 sec. OFF is repeated.)
If 2 or more malfunction codes are identified at the same
time, the lowest numbered code will be displayed 1st.
Page 731 of 1897
DI6NV-03
F07884
A20
DI-262
- DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
418 Author: Date:
2001 AVALON (RM808U)
TERMINALS OF ECU
ABS & BA & TRAC & VSC ECU:
Symbols (Terminals No.)Wiring ColorConditionSTD Voltage (V)
IG1 (A20 - 1) - GND (A20 -
28, 29)Y-R e W-BIG switch ON10 - 14
R+ (A20 - 2) - SR (A20 - 36)GR-R e RIG switch ON, ABS warning light OFF10 - 14
R+ (A20 - 2) - MR (A20 - 7)GR-R e GR-LIG switch ONBelow 1.0
SFLR (A20 - 3) - GND (A20 -
28, 29)G-O e W-BIG switch ON, ABS warning light OFF10 - 14
SRRR (A20 - 4) - GND (A20 -
28, 29)G-R e W-BIG switch ON, ABS warning light OFF10 - 14
SFLH (A20 - 5) - GND (A20 -
28, 29)W-R e W-BIG switch ON, ABS warning light OFF10 - 14
SRRH (A20 - 6) - GND (A20 -
28, 29)GR e W-BIG switch ON, ABS warning light OFF10 - 14
FL+ (A20 - 8) - FL- (A20 - 10)BR e B-RIG switch ON, slowly turn left front wheelAC generation
RR+ (A20 - 11) - RR- (A20 -
12)G e YIG switch ON, slowly turn right rear wheelAC generation
RL+ (A20 - 13) - RL- (A20 -
14)LG e VIG switch ON, slowly turn left rear wheelAC generation
FR+ (A20 - 17) - FR- (A20 -
16)B-W e LIG switch ON, slowly turn right front wheelAC generation
GL1 (A20 - 18) - GND (A20 -
28, 29)G e W-BIG switch ON0.5 - 4.5
ML+ (A20 - 22) - ML- (A20 -
24)W-R e VIG switch ON10 - 14
SRLR (A20 - 25) - GND (A20 -
28, 29)L-Y e W-BIG switch ON, ABS warning light OFF10 - 14
SFRH (A20 - 26) - GND (A20
- 28, 29)B-W e W-BIG switch ON, ABS warning light OFF10 - 14
MT (A20 - 27) - GND (A20 -
28, 29)O e W-BIG switch ON, ABS warning light OFFBelow 1.5
IND (A20 - 31) - GND (A20 -VWBIG switch ON, SLIP indicator light ONBelow 2.0IND (A20 31) GND (A20
28, 29)V e W-BIG switch ON, SLIP indicator light OFF10 - 14
EBDW (A20 - 32) - GND (A20RYWBIG switch ON, BRAKE warning light OFFBelow 1.5EBDW (A20 32) GND (A20
- 28, 29)R-Y e W-BIG switch ON, BRAKE warning light ON10 - 14
LBL (A20 - 40) - GND (A20 -
28, 29)L-B e W-BIG switch ON, fluid level switch ONBelow 1.0
Page 734 of 1897
F07885
1 2 3 4 5 6 7 8 9 10
11 12 13
14
21 22 23 24 25 26
15
16 17 18 19 20
T5
- DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
DI-265
421 Author: Date:
2001 AVALON (RM808U)
Translate ECU:
Symbols (Terminals No.)Wiring ColorConditionSTD Voltage (V)
IG1(T5 - 1) - GND (T5 - 14)Y-R e W-BIG switch ON10 - 14
PKB2 (T5 - 2) - GND (T5 -YGWBIG switch ON, paking brake switch ONBelow 2.0PKB2 (T5 2) GND (T5
14)Y-G e W-BIG switch ON, paking brake switch OFF10 - 14
VSC+ (T5 - 4) - VSC- (T5 -
17)W e OEngine idlingPulse generation
SS1 (T5 - 5) - SS2 (T5 - 18)L e B-WEngine idlingPulse generation
RSS (T5 - 6) - GND (T5 - 14)BR e W-BIG switch OFFContinuity
P (T5 10) GND (T5 14)GWWBIG switch ON, shift lever is in P range8 - 14P (T5 - 10) - GND (T5 - 14)G-W e W-BIG switch ON, shift lever is in other than P rangeBelow 1.5
LVL2 (T5 - 11) - GND (T5 - 14)R-W e W-BIG switch ON, fluid level switch ONBelow 1.5
D (T5 12) GND (T5 14)YRWBIG switch ON, shift lever is in D range8 - 14D (T5 - 12) - GND (T5 - 14)Y-R e W-BIG switch ON, shift lever is in other than D rangeBelow 1.5
NEO (T5 - 13) - GND (T5 - 14)Y-B e W-BEngine idlingPulse generation
PKB (T5 - 15) - GND (T5 - 14)Y-G e W-BIG switch OFF, parking brake switch ONBelow 2.0
BRL (T5 16) GND (T5 14)RWWBIG switch ON, BRAKE warning light ONBelow 2.0BRL (T5 - 16) - GND (T5 - 14)R-W e W-BIG switch ON, BRAKE warning light OFF10 - 14
TRC+ (T5 - 20) - TRC- (T5 -
7)BR e W-BEngine idlingPulse generation
Tc (T5 - 21) - GND (T5 - 14)LG-R e W-BIG switch ON10 - 14
ENG+ (T5 - 22) - ENG- (T5 -
9)V e GREngine idlingPulse generation
Ts (T5 - 24) - GND (T5 - 14)LG-B e W-BIG switch ON10 - 14
LBL (T5 - 25) - GND (T5 - 14)L-B e W-BIG switch ON, fluid level switch ONBelow 1.0
CCS (T5 - 26) - GND (T5 - 14)Y-R e W-BIG switch ONBelow 2.0
Page 776 of 1897
D07227D07228D07756
Column Shift:
Floor Shift:
- DIAGNOSTICSAUTOMATIC TRANSAXLE
DI-165
321 Author: Date:
2001 AVALON (RM808U)
(c) L position test
Shift into the 2 position and fully depress the accelerator pedal and check the following points:
(1) Check no up-shift.
While running in the L position, check that there is no up-shift to 2nd gear.
(2) Check engine braking.
While running in the L position, release the accelerator pedal and check the engine braking ef-
fect.
(3) Check for abnormal noises during acceleration and deceleration.
(d) R position test
Shift into the R position and fully depress the accelerator pedal and check for slipping.
CAUTION:
Before conducting this test ensure that the test area is free from people and obstruction.
(e) P position test
Stop the vehicle on a grade (more than 5°) and after shifting into the P position, release the parking
brake. Then, check to see that the parking lock pawl holds the vehicle in place.
5. BASIC INSPECTION
(a) Check the fluid level.
HINT:
Drive the vehicle so that the engine and transaxle are at
normal operating temperature.
Fluid temp.: 70 - 80 °C (158 - 176 °F)
Only use the COOL range on the dipstick as a rough refer-
ence when the fluid is replaced or the engine does not
run.
(1) Park the vehicle on a level surface and set the park-
ing brake.
(2) With the engine idling and the brake pedal de-
pressed, shift the shift lever into all positions from P
to L position and return to P position.
Page 777 of 1897
AT3417
OK if hot
Add if hot
AT4657
AT8562
AT3417
OK if hot
Add if hot DI-166
- DIAGNOSTICSAUTOMATIC TRANSAXLE
322 Author: Date:
2001 AVALON (RM808U)
(3) Pull out the dipstick and wipe it clean.
(4) Push it back fully into the pipe.
(5) Pull it out and check that the fluid level is in the HOT
range.
If the level is not within the range, add new fluid.
Fluid type: ATF D-II or DEXRON®III (DEXRON®II)
NOTICE:
Do not overfill.
After filling ATF, check the oil level securely then
drive a vehicle.
(b) Check the fluid condition.
If the fluid smells burnt or is black, replace it.
(c) Replace the ATF.
(1) Remove the drain plug and drain the fluid.
(2) Reinstall the drain plug securely.
(3) With the engine OFF add new fluid through the oil
filler pipe.
Fluid type: ATF D-II or DEXRON®III (DEXRON®II)
Capacity: 4.75 liters (5.0 US qts, 4.2 Imp. qts)
(4) Start the engine and shift the shift lever into all posi-
tions from P to L position and then shift into P posi-
tion.
(5) With the engine idling, check the fluid level. Add
fluid up to the COOL level on the dipstick.
(6) Check the fluid level at the normal operating tem-
perature, 70 - 80 °C (158 - 176 °F), and add as
necessary.
NOTICE:
Do not overfill.
Page 778 of 1897
AT4252
0 - 1 mm (0 - 0.04 in.)
Q00199
D02450P N
R
- DIAGNOSTICSAUTOMATIC TRANSAXLE
DI-167
323 Author: Date:
2001 AVALON (RM808U)
(d) Check the fluid leaks.
Check for leaks in the transaxle.
If there are leaks, it is necessary to repair or replace O-rings,
gasket, oil seals, plugs or other parts.
(e) Inspect and adjust the throttle cable.
(1) Check that the accelerator pedal is fully released.
(2) Check that the inner cable is not slack.
(3) Measure the distance between the outer cable end
and stopper on the cable.
Standard distance: 0 - 1 mm (0 - 0.04 in.)
If the distance is not the standard, adjust the cable by adjusting
nuts.
(f) Inspect and adjust the shift lever position.
When shifting the shift lever from the N position to other
positions, check that the lever can be shifted smoothly
and accurately to each position and that the position indi-
cator is aligned with the correct position.
If the indicator is not aligned with the correct position, carry out
the following adjustment procedures.
(1) Loosen the nut on the shift lever.
(2) Push the control shaft fully downward.
(3) Return the control shaft lever 2 notches to N posi-
tion.
(4) Set the shift lever to N position.
(5) While holding the shift lever lightly toward the R
position side, tighten the shift lever nut.
Torque: 13 N´m (130 kgf´cm, 9 ft´lbf)
(6) Start the engine and make sure that the vehicle
moves forward when shifting the lever from the N to
D position and reverses when shifting it to the R
position.