Page 6 of 1897

I12987
AC2GL-01
- AIR CONDITIONINGAIR CONDITIONING AMPLIFIER (Manual A/C)
AC-77
1999 Author: Date:
2001 AVALON   (RM808U)
AIR CONDITIONING AMPLIFIER
(Manual A/C)
ON-VEHICLE  INSPECTION
INSPECT A/C AMPLIFIER CIRCUIT
(a) Remove the multi display with connectors still connected.
(b) Inspect wire harness side connector from the back side,
as shown in the chart below.
Test conditions:
Running engine at idle speed
A/C switch ON
Temperature control dial ºMAX COOLº position
Blower speed control switch at ºHIº position
Set on manifold gauge set
Tester connectionConditionSpecified condition
Refrigerant pressure at 196 - 3,140 kPaBelow 1.0 V
1 - GroundRefrigerant pressure less than 196 kPa or more
than 3,140 kPaBattery positive voltage
2 - GroundConstantPulse generation
5 - GroundA/C switch ONBattery positive voltage
7 - GroundEvaporator temperature at 25 °C (77 °F)Approx. 1.5 kW
8G dA/C switch ONBattery positive voltage8 - GroundA/C switch OFFBelow 1.0 V
9G dA/C switch ONBelow 2.0 V9 - GroundA/C switch OFFNo voltage
10 G dConstantBattery positive voltage10 - GroundEngine speed at idle-up speedBelow 1.0 V
11 G dA/C switch OFFBattery positive voltage11 - GroundA/C switch ONBelow 0.7 V
11 G dMagnetic clutch is engagedBelow 1.0 V11 - GroundMagnetic clutch is not engagedBattery positive voltage
If the circuit is not as specified, inspect the circuits connected
to other parts. 
     
        
        Page 7 of 1897
AC2GM-01
AC-78
- AIR CONDITIONINGAIR CONDITIONING AMPLIFIER (Manual A/C)
2000 Author: Date:
2001 AVALON   (RM808U)
REMOVAL
REMOVE MULTI DISPLAY (Built into the A/C amplifier) (See page BO-90) 
     
        
        Page 11 of 1897
AC0YE-02
I12953I12946
I12964
Auto A/C:
Ambient Temperature
Sensor
Pressure Switch
Compressor
Relay Block No. 8
 No. 2 Cooling Fan Relay
 No. 3 Cooling Fan RelayJunction Block No. 8
 Heater Main Relay
 Magnetic Clutch Relay
Condenser Fan
Condenser
Auto A/C:
Solar Sensor
A/C Control Assembly
 Auto A/C:
   A/C Amplifier
 Manual A/C:
   A/C Switch Manual A/C:
   Blower Speed Control Switch
 Manual A/C:
   Mode Control Switch
Auto A/C:
Room Temperature Sensor
A/C Unit
 Heater Radiator
 Evaporator
 Expansion Valve
 Evaporator Temp. Sensor
 Auto A/C
   Air Mix Servomotor
 Air Outlet Servomotor
Blower Unit
 Blower Motor
 Manual A/C:
   Blower Resistor
 Auto A/C:
   Blower Motor Linear Controller
 Air inlet Servomotor
Manual A/C:
Multi Display (Built
into the A/C amplifier)
AC-14
- AIR CONDITIONINGAIR CONDITIONING SYSTEM
1936 Author: Date:
2001 AVALON   (RM808U)
LOCATION 
     
        
        Page 113 of 1897

F00693
With the brake pedal depressed,
shift while holding the shift lever
knob button in. (The ignition switch
must be in ON position.)
Shift normally Shift while holding the shift
lever knob button in.
AX0KF-01
AX-32
- AUTOMATIC TRANSAXLEFLOOR SHIFT ASSEMBLY
1322 Author: Date:
2001 AVALON   (RM808U)
INSTALLATION
Installation is in the reverse order of removal (See page 
AX-22).
HINT:
After installation, inspect shift lever operation.
When shifting it to each position, make sure that the shift-
ing lever moves smoothly, can be moderately operated
and the position indicator displays correctly.
Positions which can be operated without pressing
the shift lever knob button
R " N " D, L " 2 " D " N
Positions which can be operated only with pressing
the shift lever knob button
2 " L, N " R " P
Positions which can be operated only with pressing
the shift lever knob button, ignition switch ON and
brake pedal depressed
P " R
When starting the engine, make sure that the vehicle
moves forward when shifting from N to D position, and
moves rearward when shifting to R position. 
     
        
        Page 126 of 1897

F00693
With the brake pedal depressed,
shift while holding the shift lever
knob button in. (The ignition switch
must be in ON position.)
Shift normally Shift while holding the shift
lever knob button in.
AX0KF-01
AX-32
- AUTOMATIC TRANSAXLEFLOOR SHIFT ASSEMBLY
1322 Author: Date:
2001 AVALON   (RM808U)
INSTALLATION
Installation is in the reverse order of removal (See page 
AX-22).
HINT:
After installation, inspect shift lever operation.
When shifting it to each position, make sure that the shift-
ing lever moves smoothly, can be moderately operated
and the position indicator displays correctly.
Positions which can be operated without pressing
the shift lever knob button
R " N " D, L " 2 " D " N
Positions which can be operated only with pressing
the shift lever knob button
2 " L, N " R " P
Positions which can be operated only with pressing
the shift lever knob button, ignition switch ON and
brake pedal depressed
P " R
When starting the engine, make sure that the vehicle
moves forward when shifting from N to D position, and
moves rearward when shifting to R position. 
     
        
        Page 156 of 1897

BE215-01
I12856
ºTUNE DOWNº Switch
º1chº Switchº2chº Switch º3chº Switchº4chº Switch
º5chº Switchº6chº Switch ºDISCº Switch
ºTUNE UPº Switch
- BODY ELECTRICALAUDIO SYSTEM
BE-127
1731 Author: Date:
2001 AVALON   (RM808U)
TROUBLESHOOTING
1. Europe models:
DIAGNOSIS FUNCTION
(a) Diagnosis start-up
For shifting diagnosis mode, turn ignition switch ON and push the ºDISCº switch 3 times while pressing
ºch1º and ºch6º switches.
HINT:
To exist from the diagnosis mode, push the ºDISCº switch for 1.7 sec. or turn ignition switch to ACC or OFF.
(b) Service check mode
(1) After the diagnosis start-up, the system enters service check mode.
(2) Error codes over tuner and connected equipment are displayed on the screen of tuner.
Results for each check are displayed as follows:
good: 
No DTC is detected for both ºSystem Check Confirmationº and ºDiagnosis Memory Re-
sponseº.
nCon: 
The Component does not respond to the ºDiagnosis On Instructionº command.
Applicable to only the system where connected components are limited to be used.
ECHn: 
Application of new version has been confirmed by the ºDiagnosis On Checkº, and there
is one or more DTC which indicates ºReplacementº in the ºSystem Check Result Re-
sponseº or ºDiagnosis Memory Responseº.
CHEC: 
Application of new version has been confirmed by the ºDiagnosis On Checkº, and there
is no DTC which indicates ºReplacementº in the ºSystem Check Result Responseº or
ºDiagnosis Memory Responseº, but one or more DTC which indicated ºCheckº is identified. 
     
        
        Page 157 of 1897
BE-128
- BODY ELECTRICALAUDIO SYSTEM
1732 Author: Date:
2001 AVALON   (RM808U)
Old:
Application of old version is confirmed by the ºDiagnosis On Checkº, and DTC is identified
in the ºSystem Check Result Responseº or ºDiagnosis Memory Responseº.
nrES:
No response is identified to the ºSystem Check Start Instructionº and ºRequest for System
Check Resultº commands.
HINT:
Check the present and past condition of components by performing the System Check and collecting
stored DTC memories.
Check results shall be displayed as one of six following indications: ºgoodº, ºECHnº, ºCHECº,ºnConº,
ºOldº or ºnrESº. 
     
        
        Page 158 of 1897

Normal Mode
Service Check Mode
 A long beep (3 sec.)  3 beeps
Memory Clear ModeAfter 3 sec.
P240
ECHn
CLr Example:
Connection parts ( physical address): Radio receiver (P190), CD Auto Changer (P240), MD chnger (P3A0)
Turn ignition switch ON.
Push the ºDISCº switch 3 times
while pressing ºch1º and ºch6º
swithes.
HINT:
To exit from diagnosis mode,
press the ºDISCº switch for 1.7
sec. or turn ignition switch to
OFF
ºECHnº Detail 
Display Mode 
(Refer to (f))
CHEC
ºCHECº Detail 
Display Mode 
(Refer to (g))
Physical AddressP190
Physical AddressP3A0
Old
ºOldº Detail 
Display Mode 
(Refer to (h))
Result (Replaceing)
Result (Check)
Result (Old)
 After the memory is cleared, only the physical address is displayed cyclically.TUNE UP
TUNE UP
TUNE UP
TUNE UP TUNE DOWN
TUNE DOWN
TUNE DOWN
TUNE DOWN
TUNE DOWN
TUNE UP
ch5 (1.7 sec.)
: Indicates a switch operation
ch2
ch3
ch2
ch3
ch2
ch3
 When re-checking (ch1 switch is pressed) in that condition, the result is also
displayed as shown above.
- BODY ELECTRICALAUDIO SYSTEM
BE-129
1733 Author: Date:
2001 AVALON   (RM808U)
(c) Display Screen for Service Check.