2005 TOYOTA AVENSIS navigation system

I34717
M1M2M3 05±1462
± DIAGNOSTICSNAVIGATION SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)Symbols (Terminals No.)Specification Condition Wiring Color
N4±8 (SYNC) ±
N4±6 (VG)W ± ShieldedNavigation display is displayedPulse generation *1
N4±10 (TX±)LGSee ºService Check Modeº±
*1: LHD
*2: RHD
2. MULTI±DISPLAY (CRT DISPLAY) DISPLAY
Symbols (Terminals No.)Wiring ColorConditionSpecification
M1±1 (+B1) ±
M2±1 (GND2)L±Y ± W±BAlways10 to 14 V
M1±3 (IG) ±
M2±1 (GND2)R±W ± W±BIgnition switch ON10 to 14 V
M1±4 (SPD) ±
M2±1 (GND2)V±W ± W±BSee ºVehicle Signal Checkº±
M1±5 (GTX+)PSee ºService Check Modeº±
M1±10 (RE1) ±
M1±22 (SGD1)R ± ShieldedIgnition switch ACCApprox. 3.3 V
M1±12 (TX3+)G±YSee ºService Check Modeº±
M1±14 (ACC) ±
M2±1 (GND2)GR ± W±BIgnition switch ACC10 to 14 V
M1±15 (ST1) ±
M2±1 (GND2)B±W ± W±BIgnition switch START10 to 14 V
M1±16 (TC) ±
M2±1 (GND2)W±L ± W±BIgnition switch OFF and connect terminals TC and GND1 of
check connectorContinuity
M1±17 (PKB) ±
M2±1 (GND2)B±W ± W±BSee ºVehicle Signal Check Modeº±
M1±18 (GTX±)LGSee ºService Check Modeº±
M1±22 (SGD1) ±
Body groundShielded ± Body
groundAlwaysContinuity
M1±24 (TX3±)GSee ºService Check Modeº±
M1±25 (GND1) ±
Body groundW±B ± Body groundAlwaysContinuity
M2±1 (GND1) ±
M1±6 (VG)Y ± ShieldedIgnition switch OFFBelow 1 V
M2±2 (R) ±
M1±6 (VG)R ± ShieldedNavigation display is displayedPulse generation *2
M±2 (B) ± M1±6
(B ± VG)B ± ShieldedNavigation display is displayedPulse generation *2
M2±5 (CTX+)VSee ºService Check Modeº±
M2±6 (VG) ±
Body groundShielded ± Body
groundAlwaysContinuity
M2±7 (G) ± M1±6 (VG)G ± ShieldedNavigation display is displayedPulse generation *2

I35656
C10
I30915
I30916
± DIAGNOSTICSNAVIGATION SYSTEM
05±1463
AVENSIS REPAIR MANUAL (RM1018E)Symbols (Terminals No.)Specification Condition Wiring Color
M2±8 (SYNC) ±
M1±6 (VG)W ± ShieldedNavigation display is displayedPulse generation *1
M2±10 (CTX±)LGSee ºService Check Modeº±
M3±1 (GND2) ±
Body groundW±B ± Body groundAlwaysContinuity
3. BODY ECU (COMBINATION METER ASSY)
Symbols (Terminals No.)Wiring ColorConditionSpecification
C10±3 (GTX+)G±YSee ºService Check Modeº±
C10±4 (GTX±)GSee ºService Check Modeº±
(a) *1: Oscilloscope wave
Terminal to be measured: SYNC ± GND
Setting for measurement: 500 mV/DIV10±
s/DIV
Condition: Navigation display is displayed.
(b) *2: Oscilloscope wave
Terminal to be measured: R, G, B ± GND
Setting for measurement: 200 mV/DIV10±
s/DIV
Condition: Navigation map is switched.

05C3F±01
I34714
Driver Side J/B

RAD No.1 Fuse

AM1 Fuse

GAUGE1 Fuse

IG1 RelayFront No.1
Speaker AssyMulti±display
(CRT display)
Display
Steering Pad
Switch LH Engine Room R/B No.1 and
Engine Room J/B No.1

DCC Fuse

AM2 Fuse
Front No.2
Speaker Assy
Steering Pad
Switch RH Sub R/B (LHD)
Sub R/B (RHD)
Navigation
Antenna AssyTelephone Microphone AssyRadio Receiver Assy
Navigation Controller Assy Navigation Controller Holder Navigation ECU Combination
Meter Assy
(Body ECU)
Body ECU
(Combination Meter Assy)
05±1460
± DIAGNOSTICSNAVIGATION SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
LOCATION

05C3E±01
± DIAGNOSTICSNAVIGATION SYSTEM
05±1453
AVENSIS REPAIR MANUAL (RM1018E)
DIAGNOSTIC TROUBLE CODE CHART
TermsMeaning
Physical addressThree±digit code (shown in hexadecimal) which is given to each component com-
prising the AVC±LAN.
Corresponding to the function, individual symbols are specified.
Logical addressTwo±digit code (shown in hexadecimal) which is given to each function comprising
the inner system of the AVC±LAN.
1. RADIO RECEIVER ASSY (Physical address: 190)
HINT:

*1: Even if no failure is detected, this code may be stored depending on the battery condition or voltage
for starting an engine.

*2: This code is stored in 180 sec. after the power supply connector is pulled out after engine start.

*3: This code may be stored when the ignition switch is turned again after engine start.

*4: This code may be stored when the ignition switch is turned again in 1 min. after engine start.
(a) Logical address: 01 (Communication control)
DTCDiagnosis itemConditionCountermeasure and inspected parts
D5
*1Registered component disconnectedComponent shown by sub±code is or was
disconnected from system with ignition
switch ACC or ON.
Communication with component shown by
sub±code is not ensured when engine is
started.
Check harness for power supply of compo-
nent shown by sub±code.

Check harness for communication system
of component shown by sub±code.
D6
*1Absence of MasterComponent in which this code is recorded
has been disconnected from system with
ignition switch ACC or ON. Or, when this
code was recorded, multi±display (CRT dis-
play) display was disconnected.
Check harness for power supply system of
multi±display (CRT display) display.

Check harness for communication system
of multi±display (CRT display) display.
D8
*2No response to connection checkComponent shown by sub±code is or was
disconnected from system after engine is
started.
Check harness for power supply of compo-
nent shown by sub±code.

Check harness for communication system
of component shown by sub±code.
D9
*1Last Mode ErrorComponent operated (sound and/or image
was provided) before engine stop is or was
disconnected with ignition switch ACC or
ON.
Check harness for power supply of compo-
nent shown by sub±code.

Check harness for communication system
of component shown by sub±code.
DANo Response to ON/OFF InstructionNo response is identified when changing
mode (audio and visual mode change).
Detected when sound and picture does not
change by button operation
Check harness for power supply system of
component shown by sub±code.

Check harness for communication system
of component shown by sub±code.

If error occurs again, replace component
shown by auxiliary code
DB
*1Mode Status ErrorDual alarm is detected.
Check harness for power supply system of
component shown by sub±code.

Check harness for communication system
of component shown by sub±code.
DC
*4Transmission ErrorTransmission to component shown by sub±
code has been failed.
(This code does not necessarily mean actu-
al failure.)If same sub±code is recorded in other com-
ponent(s), check harness for power supply
and communication system of all compo-
nents shown by code.
DD
*4Master Reset (Momentary Interruption)After engine is started, multi±display (CRT
display) display was disconnected from sys-
tem.
Check harness for power supply system of
multi±display (CRT display) display.

Check harness for communication system
of multi±display (CRT display) display.

If this error occurs frequently, replace mul-
ti±display (CRT display) display.

05±1454
± DIAGNOSTICSNAVIGATION SYSTEM
AVENSIS REPAIR MANUAL (RM1018E) DTCCountermeasure and inspected parts Condition Diagnosis item
DE
*3Slave Reset (Momentary Interruption)After engine start, slave component has
been disconnected.
Check harness for power supply system of
component shown by sub±code.

Check harness for communication system
of component shown by sub±code.
DF
*5Master ErrorDue to defective condition of component
with a display, master function is switched to
audio equipment.
Error occurs in communication between
sub±master (audio) and master component.
Check harness for power supply of multi±
display (CRT display) display.

Check harness for communication system
of multi±display (CRT display) display.
E0
*1Registration Completion Instruction ErrorºRegistration Completion Instructionº com-
mand from master cannot be received.Since this DTC is provided for engineering
purpose, it may be detected when no actual
failure exists.
E1
*1Audio processor ON errorWhile source equipment is operating, AMP
output is stopped.
Check harness for power supply of radio
receiver assy.

Check harness for communication system
of radio receiver assy.
E2ON/OFF Instruction Parameter ErrorError occurs in ON/OFF controlling com-
mand from multi±display (CRT display) dis-
play.Replace multi±display (CRT display) display.
E3
*1Registration Request TransmissionRegistration Request command is output
from slave component.
Receiving Connection Check Instruction,
Registration Request command is output
from sub±master component.Since this DTC is provided for engineering
purpose, it may be detected when no actual
failure exists.
E4
*1Multiple Frame AbortMultiple frame transmission is aborted.Since this DTC is provided for engineering
purpose, it may be detected when no actual
failure exists.
(b) Logical address: 21 (Switch)
DTCDiagnosis itemConditionCountermeasure and inspected parts
10Panel Switch ErrorError in panel switch input part is detected.
(Error in switch control part, or internal com-
munication error with switch control part is
detected.)
Inspect all switches on panel switch test
screen in display check mode. If any of
them does not function, replace radio re-
ceiver assy.

If all switches function without problem, ob-
serve them for a while.
11Touch Switch ErrorError in touch switch sensor is detected.
(Light level of LED is detected to be less
than a fixed value.)
Inspect all touch switches on touch switch
test screen in display check mode. If any
of lines do not react, replace radio receiver
assy.

If all of vertical and horizontal lines react
normally, observe them for a while.
(c) Logical address: 61 (Cassette tape player's switch)
DTCDiagnosis itemConditionCountermeasure and inspected parts
40Mechanical Error of MediaMalfunction due to mechanical failure is
identified.
Or cassette tape is cut or entangled.
Inspect cassette tape.

Replace radio receiver assy.
(d) Logical address: 62 (CD player)
DTCDiagnosis itemDiagnosis contentCountermeasure and inspected parts
42No Disc ReadoutDisc cannot be read.
Inspect CD.

Replace radio receiver assy.
44CD player ErrorError is detected in CD player.Replace radio receiver assy.
45EJECT ErrorMagazine cannot be ejected.Replace radio receiver assy.
46Scratched/Reversed DiscScratches or dirt is found on CD surface or
CD is set upside down.Inspect CD.

± DIAGNOSTICSNAVIGATION SYSTEM
05±1455
AVENSIS REPAIR MANUAL (RM1018E) DTCCountermeasure and inspected parts Diagnosis content Diagnosis item
47CD Player Temp. Too High
Readout cannot be done because tempera-
ture around player's pick±up (reading part)
is too high.
With IG switch OFF, leave vehicle in cool
shaded place for a while and recheck.
After deleting the DTC memory, if same
code is detected, replace radio receiver
assy.
48CD Player Excess CurrentExcess current is applied radio receiver
assy.Replace radio receiver assy.
2. NAVIGATION ECU (Physical address: 178)
HINT:

*1: Even if no failure is detected, this code may be stored depending on the battery condition or voltage
for starting the engine.

*2: This code is stored in 210 seconds after the master component is turned off with the ignition switch
ACC or ON.

*3: This code may be stored when the ignition switch is turned in 1 min. again after engine start.

*4: This code may be stored when the ignition switch is turned again after engine start.
(a) Logical address: 01 (Communication control)
DTCDiagnosis itemConditionCountermeasure and inspected parts
D6
*1Absence of MasterComponent in which this code is recorded
has been disconnected from system with
ignition switch ACC or ON. Or, when this
code was recorded, multi±display (CRT dis-
play) display was disconnected.
Check harness for power supply system of
multi±display (CRT display) display.

Check harness for communication system
of multi±display (CRT display) display.

Check harness for power supply system of
navigation ECU.

Check harness for communication system
of navigation ECU.
D7
*2Connection Check ErrorComponent in which this code is recorded
has been disconnected from system with
ignition switch ACC or ON. Or, when this
code was recorded, multi±display (CRT dis-
play) display was disconnected.
Check harness for power supply system of
multi±display (CRT display) display.

Check harness for communication system
of multi±display (CRT display) display.

Check harness for power supply system of
navigation ECU.

Check harness for communication system
of navigation ECU.
DC
*3Transmission ErrorTransmission to component shown by sub±
code has been failed.
(This code does not necessarily mean actu-
al failure.)If same sub±code is recorded in other com-
ponent(s), check harness for power supply
and communication system of all compo-
nents shown by code.
DD
*4Master Reset (Momentary Interruption)Component that is to be master has been
disconnected after engine start.
Check harness for power supply system of
multi±display (CRT display) display.

Check harness for communication system
of multi±display (CRT display) display.

If error occurs frequently, replace multi±
display (CRT display) display.
E0
*1Registration Completion Instruction ErrorºRegistration Completion Instructionº com-
mand from master cannot be received.Since this DTC is provided for engineering,
it may be detected when no actual failure
exists.
E2ON/OFF Instruction Parameter ErrorError is detected in ON/OFF control com-
mand from multi±display (CRT display) dis-
play .Replace multi±display (CRT display) display.
E3
*1Registration Request Transmission
Registration Request command is output
from slave component.

Registration Request command is output
from sub±master component.Since this DTC is provided for engineering,
it may be detected when no actual failure
exists.

05±1456
± DIAGNOSTICSNAVIGATION SYSTEM
AVENSIS REPAIR MANUAL (RM1018E) DTCCountermeasure and inspected parts Condition Diagnosis item
DF
*4Master ErrorDue to defective condition of component
with a display, master function is switched to
audio equipment.
Error occurs in communication between
sub±master (audio) and master component.
Check harness for power supply of radio
receiver assy.

Check harness for communication system
of radio receiver assy.
E4
*1Multiple Frame AbortMultiple frame transmission is aborted.Since this DTC is provided for engineering
purpose, it may be detected when no actual
failure exists.
(b) Logical address: 58 (Navigation ECU)
DTCDiagnosis itemConditionCountermeasure and inspected parts
10Gyro ErrorError in gyro sensor is detected.
(Abnormal value in voltage output from sen-
sor is detected for more than specified time.)Replace navigation ECU.
42Map Disc ErrorData cannot be read for a certain time due
to scratches or dirt on disc surface or inser-
tion of wrong disc.Inspect disc and replace as necessary.
(Visually check disc surface and wipe it with
a soft cloth.)
43Vehicle Signal ErrorInput error of vehicle signal is detected.
(When no vehicle signal has been input for a
certain time.)
Inspect wire harness.

If wire harness is normal, replace naviga-
tion ECU.
(c) Logical address: 58 (GPS receiver)
DTCDiagnosis itemConditionCountermeasure and inspected parts
11GPS Receiver ErrorOperation error of GPS receiver is detected.At an outdoor site with a clear view, operate
the system to display GPS data. If GPS
mark is not properly displayed after 15 min.
or more, replace navigation ECU.
40GPS Antenna ErrorOpen condition of GPS antenna is detected.
(Open circuit, connection failure of connec-
tors, etc.)Inspect antenna and replace as necessary.
41Power Supply Error of GPS AntennaAbnormal voltage of GPS antenna cable or
short circuit is detected.
Inspect GPS antenna and replace as nec-
essary. (When no continuity is identified
between connector's core and sealed part,
GPS antenna is normal.)

If GPS antenna is normal, replace naviga-
tion ECU.
3. MULTI±DISPLAY (CRT DISPLAY) DISPLAY (Physical address: 110)
HINT:

*1: Even if no failure is detected, it may be stored depending on the battery condition or voltage for
starting an engine.

*2: It is stored in 180 sec. after the power supply connector is pulled out after engine start.

*3: It may be stored when the ignition switch is turned again after engine start.

*4: It may be stored when the ignition switch is turned in 1 min. again after engine start.
(a) Logical address: 01 (Communication control)
DTCDiagnosis itemDiagnosis contentCountermeasure and inspected parts
21ROM ErrorAbnormal condition of ROM is detected.Replace multi±display (CRT display) display.
22RAM ErrorAbnormal condition of RAM is detected.Replace multi±display (CRT display) display.
D5
*1Registered component disconnectedComponent shown by auxiliary code is or
was disconnected from system with ignition
switch ACC or ON.
Communication with component shown by
auxiliary code is not ensured when engine is
started.
Check harness for power supply of compo-
nent shown by auxiliary code.

Check harness for communication system
of component shown by auxiliary code.
D8
*2No response to connection checkComponent shown by auxiliary code is or
was disconnected from system after engine
start.
Check harness for power supply of compo-
nent shown by sub± code.

Check harness for communication system
of component shown by auxiliary code.

± DIAGNOSTICSNAVIGATION SYSTEM
05±1457
AVENSIS REPAIR MANUAL (RM1018E) DTCCountermeasure and inspected parts Diagnosis content Diagnosis item
D9
*1Last Mode ErrorComponent operated (sound and/or image
was provided) before engine stop is or was
disconnected with ignition switch ACC or
ON.
Check harness for power supply of compo-
nent shown by sub±code.

Check harness for communication system
of component shown by sub±code.
DB
*1Mode Status ErrorDual alarm is detected.
Check harness for power supply system of
component shown by sub±auxiliary code.

Check harness for communication system
of component shown by sub±code.
DC
*4Transmission ErrorTransmission to component shown by auxil-
iary code has been failed.
(This code does not necessarily mean actu-
al failure.)If same auxiliary code is recorded in order
component(s), check harness for power
supply and communication system of all
components shown by code.
DE
*3Slave Reset (Momentary Interruption)After engine start, slave component has
been disconnected.
DB
Check harness for power supply system of
component shown by sub±code.

Check harness for communication system
of component shown by sub±code.
E2ON/OFF Instruction Parameter ErrorError is detected in ON/OFF control com-
mand from radio receiver assy.Replace radio receiver assy.
E3
*1Registration Request Transmission
Registration Request command is output
from slave component.

By reception of connection check instruc-
tion, Registration Request command is out-
put from sub±master component.Since this DTC is provided for engineering,
it may be detected when no actual failure
exists.
(b) Logical address: 21 (Switch)
DTCDiagnosis itemDiagnosis contentCountermeasure and inspected parts
10Panel Switch ErrorError in panel switch input part is detected.
(Error in switch control part, or internal com-
munication error with switch control part is
detected.)
Inspect all switches on panel switch test
screen in display check mode. If any of
them do not function, replace multi±display
(CRT display) display.

If all switches function without problem, ob-
serve them for a while.
11Touch Switch ErrorError in touch switch sensor is detected.
(Light level of LED is detected to be less
than a fixed value.)
Inspect all touch switches on touch switch
test screen in display check mode. If any
of lines does not react, replace multi±dis-
play (CRT display) display.

If all of vertical and horizontal lines react
normally, observe them for a while.
(c) Logical address: 34 (Front passenger monitor)
DTCDiagnosis itemDiagnosis contentCountermeasure and inspected parts
10Error in Picture CircuitError in power supply system for picture cir-
cuit (abnormal voltage) is detected.Replace multi±display (CRT display) display.
11Back±light Error (No current)Decline in power output from inverter circuit
for back±light.Replace multi±display (CRT display) display.
12Back±light Error (Excess current)Excess power output from inverter circuit for
back±light.Replace multi±display (CRT display) display.