± 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.
DBCheck 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 TransmissionRegistration 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.
05±1458
± DIAGNOSTICSNAVIGATION SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
4. BODY ECU (COMBINATION METER) (Physical address: 1EC)
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 may be stored when the ignition switch is turned in 1 min. again after the engine starts.
*3: It may be stored when the ignition switch is turned again after the engine starts.
*4: This code is stored in 210 sec. after the master components is turned off with the ignition switch
ACC or ON.
Logical address: 01 (Communication control)
DTCDiagnosis itemDiagnosis contentCountermeasure and inspected parts
D6
*1Absence of MasterComponent in which this code is recorded
has been disconnected from system with
ignition ACC or ON. Or, when this code was
recorded, multi±display (CRT display) dis-
play was disconnected.Check harness for power supply of multi±
display (CRT display) display.
Check harness for communication system
of multi±display (CRT display) display.
Check harness for power supply of body
ECU.
Check harness for communication system
of body ECU.
D7Communication Check ErrorComponent in which this code is recorded is
or was disconnected from system after en-
gine start. Or, when recording this code,
multi±display (CRT display) display was dis-
connected.Check harness for power supply of multi±
display (CRT display) display.
Check harness for communication system
of multi±display (CRT display) display.
Check harness for power supply of body
ECU.
Check harness for communication system
of body ECU.
DC
*2Transmission ErrorTransmission to component shown by auxil-
iary code has been failed.
(Detecting this DTC does not necessarily
mean actual failure.)If same auxiliary code is recorded in other
components, check harness for power sup-
ply and communication system of all compo-
nents shown by code.
DD
*3Master Reset (Momentary Interruption)After engine was started, multi±display
(CRT display) display was disconnected
from systemCheck harness for power supply 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.
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 multi±display (CRT display) display.
Check harness for communication system
between radio receiver assy and multi±dis-
play (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 multi±
display (CRT display) display.
Check harness for communication system
of multi±display (CRT display) display.
I34699
*2
*4*3
*5 *6
*7
*1*1
05±1442
± DIAGNOSTICSNAVIGATION SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
(a) Service Check Mode
(1) Start the diagnosis system.
Display ItemFunction
Check/*2Check results are displayed.
Memory CLR/*3
Pressing this switch for 3 sec. deletes all
the information about master component
registration.
Code CLR/*4
Pressing this switch for 3 sec. deletes
diagnosis memory of all the components.
It deletes Service Check results and the
screen displaying the check results.
Recheck/*5Pressing this switch performs Service
Check again.
MENU/*6Pressing this switch activates the ºDiag-
nosis Menuº.
LAN Mon/*7Pressing this switch activates the ºLAN
Monitorº.
Components:/*1
DisplayName
EMVMulti±display (CRT display) display
NAVINavigation ECU
BODYBody ECU (Combination Meter Assy)
AUDIO H/URadio receiver assy
HINT:
Service check displays the check results based on the informa-
tion obtained from each component's response to ºService
Check Executionº and ºDiagnosis Memory Requestº, and the
information of ºCurrent DTC Notificationº (the Unit Check Mode
and the LAN Monitor information that will be displayed on the
next screens.).
(2) Read Check Result
Check ResultMeaning
OKNo DTC is identified.
EXCHOne or more DTC requesting for exchange are detected.
CHEKOne or more DTC requesting for check are detected.
NCON
No connection response to Diagnosis System start±up,
whereas it has the connection response to the AVC±LAN
system when the power switch is turned on (when IG is
turned to ACC).
OldOne or more DTC are detected because of old version.
NRESNo response to the information about the Diagnosis System,
whereas it responds to the Diagnosis System start±up.
No ErrNo DTC is identified.
HINT:
After repairing and checking, press ºCode CLRº for more
than 3 seconds. to delete the diagnosis memory.
After deleting the diagnosis memory, press ºRecheckº
and make sure ºOKº is displayed on the screen.
I32709
*3
*2
*4
*5*6
*1
I34700
*2
*1
*3
± DIAGNOSTICSNAVIGATION SYSTEM
05±1443
AVENSIS REPAIR MANUAL (RM1018E)
(3) ºEXCHº, ºCHEKº and ºOldº can be used as switches
to activate ºUnit Check Modeº for detailed informa-
tion. Check troubled parts of the components in this
mode by referring to the DTC code list.
Display ItemDescription
Component name/*1Name of component to be checked is
displayed.
Code CLR/*2
Pressing this switch for 3 sec. deletes
DTC memory of the selected diagnosis
component.
Service/*3Pressing this switch returns to the ºSer-
vice Check Modeº.
Date/Time/*4
The date and time stamped at the time of
DTC occurrence are displayed in the or-
der of year±month±day±hour±minute±
second. (If the date and time data is in-
valid, it is displayed as a blank.)
Current/ *5Up to 6 DTC codes detected during the
System Check are displayed.
Memory/ *6DTC memories stored and current DTC
Notification are displayed.
HINT:
Detecting Unit DTC activates the Unit Check Mode on the
screen.
In the Unit Check Mode, DTC identified as ºEXCHº in the
Service Check is displayed as classified into Current DTC
and Past DTC.
(b) LAN Monitor
(1) Start the Diagnosis System.
(2) Select ºLAN Monº
Display ItemFunction
CHEK/*1Check results are displayed.
MENU/*2Pressing this switch returns to the ºSer-
vice Check Modeº.
BACK/*3Pressing this switch returns to the ºSer-
vice Check Modeº.
HINT:
System Check displays the check results based on the informa-
tion obtained from each component's response to ºService
Check Executionº and ºDiagnosis Memory Requestº, and the
information of ºCurrent DTC Notificationº (the LAN Monitor that
will be displayed on the next screens).
(3) Read Check Result
Check ResultMeaning
OKNo DTC is identified.
EXCHOne or more DTC requesting for exchange are detected.
I34701
*6
*5
*4 *3
*2
*1*7
05±1444
± DIAGNOSTICSNAVIGATION SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)CHEK
One or more DTC requesting for check are detected.
NCON
No connection response to Diagnosis System start±up,
where as it has the connection response to the AVC±LAN
system when the power switch is turned on (when IG is
turned to ACC).
OldOne or more DTC are detected because of old version.
NRESNo response to the information about the Diagnosis System,
where as it responds to the Diagnosis System start±up.
No ErrNo DTC is identified.
HINT:
After repair and check, press ºCode CLRº for more than
3 sec. to delete the diagnosis memory.
After deleting the diagnosis memory, press ºRecheckº
and make sure ºOKº is displayed on the screen.
(4) ºCHEKº can be used as switches to activate ºLAN
Monitorº for detail information. Check troubled parts
of the components in these modes by referring to
the DTC code list.
Display ItemDescription
Components name/*1Names of components to be checked
are displayed.
Segment/*2Logical address codes corresponding to
DTC are displayed.
DTC/*3DTC is displayed.
Sub±Code (address numbers of related
components)/*4Physical address codes memorized to-
gether with DTC are displayed.
Sub±code (Connection confirmation
number) /*5Connection confirmation numbers mem-
orized together with DTC are displayed.
Sub±code (Number of occurrence) /*6The number of occurrence of the same
DTC is displayed.
Service/*7Pressing this switch returns to the ºLAN
Monitorº.
HINT:
Detecting no LAN DTC activates the LAN Monitor on the
screen.
Room Lamp Output
Normal wave of UNLOCK switchUnmatching recognition code
No diagnosis outputs ON
OFF
T1: 0.25 sec. Wave is being received ON
OFF
OFF T1 T1 T1 T2 Normal wave of LOCK switch
ON
OFF
T1 T2
Normal wave of luggage door (back door)
unlock switch
ON
OFF
T2
T2
T2: 0.5 sec. Room Lamp Output
Room Lamp OutputRoom Lamp Output
Room Lamp Output
± DIAGNOSTICSWIRELESS DOOR LOCK CONTROL SYSTEM
05±1579
AVENSIS REPAIR MANUAL (RM1018E)
6 CHECK BY SELF±DIAGNOSTIC MODE
(a) Inspect the diagnosis outputs when the door control transmitter switch is held down (The diagnosis
outputs can be checked with the outputs of the room lamp).
HINT:
In the case of a reception of the normal wave of the door LOCK, UNLOCK switch or luggage door (back
door) unlock switch (room lamp blinking), go to step A.
In the case of an unmatching recognition code (room lamp ON), go to step B.
In the case of no diagnosis outputs (room lamp OFF), go to step C.
A REPLACE INSTRUMENT PANEL JUNCTION
BLOCK ASSY
C Go to step 8
B
05±1580
± DIAGNOSTICSWIRELESS DOOR LOCK CONTROL SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
7 REGISTER RECOGNITION CODE
(a) Check that the system can switch to rewrite mode or add mode and whether a recognition code can
be registered.
NG Go to step 16
OK
NORMAL (CARRY OUT INSPECTION OF FUNCTIONS)
8 SIMPLY CHECK TRANSMITTER BATTERY
(a) After replacing the transmitter battery with a new or normal one, check that the doors can lock and
unlock using the transmitter LOCK/UNLOCK switch.
NG REPLACE TRANSMITTER SUB±ASSY MODULE
SET DOOR CONTROL
OK
REPLACE TRANSMITTER BATTERY
9 CHECK RESPONSE OF DOOR CONTROL RECEIVER
(a) When a new or normal door control transmitter switch for the same type vehicle is held down, check
that a diagnosis of unmatching recognition code is output.
NG Go to step 13
OK
REPLACE TRANSMITTER SUB±ASSY MODULE SET DOOR CONTROL
10 CONFIRM INPUT METHOD OF SELF±DIAGNOSTIC MODE
(a) When the method for switching the system to self±diagnostic mode works, proceed to A.
(b) When the method for switching the system to self±diagnostic mode does not work, proceed to B.
B Go to step 6
A
05B0B±02
B65593
I12
B55023
GND
± DIAGNOSTICSENGINE IMMOBILISER SYSTEM
05±1607
AVENSIS REPAIR MANUAL (RM1018E)
TERMINALS OF ECU
1. CHECK TRANSPONDER KEY AMPLIFIER (COIL)
(a) Disconnect the I12 amplifier connector and check the resistance between the terminal of the wire har-
ness side connector and body ground.
Standard:
Symbols (Terminal No.)Wiring ColorConditionSpecified Condition
GND (I12±7) ±
Body groundGR±R ± Body groundConstantBelow 1
If the result is not as specified, there may be a malfunction on the wire harness side.
(b) Reconnect the I12 amplifier connector and check the resistance or voltage of each terminal of the con-
nector.
Standard:
Symbols (Terminal No.)Wiring ColorConditionSpecified Condition
VC5 (I12±1) ±
GND (I12±7)Y±B ± GR±RNo key in ignition key cylinder With key0 V 10 to 14 V
CODE(I12±4) ±
GND (I12±7)Y±G ± GR±RNo key in ignition key cylinder With keyWaveform 1
TXCT (I12±5) ±
GND (I12±7)L±R ± GR±RNo key in ignition key cylinder With keyWaveform 2
GND (I12±7) ±
Body groundGR±R ± Body groundConstantBelow 1
If the result is not as specified, the amplifier may have a malfunction.
(c) Inspect using an oscilloscope.
Waveform 1 (Reference):
TerminalCODE ± GND
Tool Setting10 V/DIV., 10 ms/DIV.
ConditionIgnition switch ON