Diagnostic Trouble Code Chart

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 when 180 sec. has passed after the power supply connector is pulled out after engine start.
• *3: This code may be stored when the engine key is turned again after engine start.
• *4: This code may be stored when the engine key is turned again 1 min. after engine start.

1. Logical address: 01 (Communication control)
   DTC DIAGNOSIS ITEM SPECIFICATION
   
   

   DTC	Diagnosis item	Condition	Countermeasure and inspected parts
   21	ROM Error	Abnormal condition of ROM is detected.	Replace multi-display (CRT display) display.
   22	RAM Error	Abnormal condition of RAM is detected.	Replace multi-display (CRT display) display.
   D5 *1	Registered component disconnected	Component shown by sub-code is or was disconnected from system with ignition switch in ACC or ON. Communication with component shown by sub-code is not ensured when engine is started.	Check harness for power supply of component shown by sub-code. Check harness for communication system of component shown by sub-code.
   D8 *2	No response to connection check	Component shown by sub-code is or was disconnected from system after engine is started.	Check harness for power supply of component shown by sub-code. Check harness for communication system of component shown by sub-code.
   D9 *1	Last Mode Error	Component operated (sound and/or image was provided) before engine stop is or was disconnected with ignition switch in ACC or ON.	Check harness for power supply of component shown by sub-code. Check harness for communication system of component shown by sub-code.
   DA	No Response to ON/OFF Instruction	No 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 *1	Mode Status Error	Dual 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 *4	Transmission Error	Transmission to component shown by subcode has been failed. (This code does not necessarily mean actual failure.)	If same sub-code is recorded in other components), check harness for power supply and communication system of all components shown by code.
   DE *3	Slave 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.
   E2	ON/OFF Instruction Parameter Error	Error is detected in ON/OFF control command from multi-display (CRT display) display (CRT display) DISPLAY.	Replace multi-display (CRT display) display.
   E3 *1	Registration Request Transmission	Registration Request command is output from slave component. By reception of connection check instruction, 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.

2. Logical address: 21 (Switch)
   DTC DIAGNOSIS ITEM SPECIFICATION
   
   

   DTC	Diagnosis item	Condition	Countermeasure and inspected parts
   10	Panel Switch Error	Error in panel switch input part is detected. (Error in switch control part, or internal communication 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 A/C control assembly. If all switches function without problem, observe them for a while.
   11	Touch Switch Error	Error 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-display (CRT display) display. If all of vertical and horizontal lines react normally, observe them for a while.

3. Logical address: 34 (Front passenger monitor)
   DTC DIAGNOSIS ITEM SPECIFICATION
   
   

   DTC	Diagnosis item	Condition	Countermeasure and inspected parts
   10	Error in Picture Circuit	Error in power supply system for picture circuit (abnormal voltage) is detected.	Replace multi-display (CRT display) display.
   11	Back-light Error (No current)	Decline in power output from inverter circuit for back-light.	Replace multi-display (CRT display) display.
   12	Back-light Error (Excess current)	Excess power output from inverter circuit for back-light.	Replace multi-display (CRT display) display.

HINT:

*1: When 210 sec. has passed after pulling out the power supply connector of the master component with the ignition switch in ACC or ON, this code is stored.

Logical address: 01 (Communication control)

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 when 180 sec. has passed after the power supply connector is pulled out after engine start.
• *3: This code may be stored when the engine key is turned again 1 min. after engine start.
• *4: This code may be stored when the engine key is turned again after engine start.
• *5: When 210 sec. has passed after pulling out the power supply connector of the master component with the ignition switch in ACC or ON, this code is stored.

1. Logical address: 01 (Communication control)
   DTC DIAGNOSIS ITEM SPECIFICATION
   
   

   DTC	Diagnosis item	Condition	Countermeasure and inspected parts
   D6 *1	Absence of Master	Component in which this code is recorded has been disconnected from system with ignition in ACC or ON. Or, when this code was recorded, multi-display (CRT display) 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 radio receiver assy. Check harness for communication system of radio receiver assy.
   D8 *2	No Response to Connection Check	Component shown by sub-code is or had been disconnected from system after engine is start.	Check harness for power supply system of component shown by sub-code. Check harness for communication system of component shown by sub-code.
   D9 *1	Last Mode Error	Component operated (sounds and/or images were provided) before engine stop is or has been disconnected with ignition switch in ACC or ON.	Check harness for power supply system of component shown by sub-code. Check harness for communication system of component shown by sub-code.
   DA	No Response to ON/OFF Instruction	No 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 sub-code.
   DB *1	Mode Status Error	Dual alarm is detected.	Check harness for power supply of component shown by sub-code. Check harness for communication system of component shown by sub-code.
   DC *3	Transmission Error	Transmission to component shown by subcode has been failed. (Detecting this DTC does not necessarily mean actual failure.)	If same sub-code is recorded in other component, check harness for power supply and communication system of all components shown by code.
   DD *4	Master Reset (Momentary Interruption)	After engine is started, multi-display (CRT display) display was disconnected from system.	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 radio receiver assy. Check harness for communication system of radio receiver assy. If this error occurs frequently, replace multi-display (CRT display) display.
   DE *4	Slave Reset (Momentary Interruption)	After engine is started, slave component was disconnected from system.	Check harness for power supply of component shown by sub-code. Check harness for communication system of component shown by sub-code.
   DF *5	Master Error	Due 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. Check harness for communication system between multi-display (CRT display) display and sub-master component.
   EO *1	Registration Completion Instruction Error	"Registration Completion Instruction" command from master cannot be received.	Since this DTC is provided for engineering purpose, it may be detected when no actual failure exists.
   E1 *1	Audio processor ON error	While 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.
   E2	ON/OFF Instruction Parameter Error	Error occurs in ON/OFF controlling command from multi-display (CRT display) display.	Replace multi-display (CRT display) display.
   E3 *1	Registration Request Transmission	Registration 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 *1	Multiple Frame Abort	Multiple frame transmission is aborted.	Since this DTC is provided for engineering purpose, it may be detected when no actual failure exists.

2. Logical address: 61 (Cassette tape player's switch)
   DTC DIAGNOSIS ITEM SPECIFICATION
   
   

   DTC	Diagnosis item	Condition	Countermeasure and inspected parts
   40	Mechanical Error of Media	Malfunction due to mechanical failure is identified. Or cassette tape is cut or entangled.	Inspect cassette tape. Replace radio receiver assy.

3. Logical address: 63 (In-dash CD changer)
   DTC DIAGNOSIS ITEM SPECIFICATION
   
   

   DTC	Diagnosis item	Condition	Countermeasure and inspected parts
   42	No Disc Readout	Disc cannot be read.	Inspect CD.
   44	CD Error	Error is detected in CD player.	Replace radio receiver assy.
   45	EJECT Error	Disc cannot be ejected.	Replace radio receiver assy.
   47	CD High Temp.	High temperature is detected in CD changer.	Replace radio receiver assy.
   48	CD Excess Current	Excess current is applied to CD changer.	Replace radio receiver assy.

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: When 210 sec. has passed after pulling out the power supply connector of the master component with the ignition switch in ACC or ON, this code is stored.
• *3: This code may be stored when the engine key is turned 1 min. again after engine start.
• *4: This code may be stored when the engine key is turned again after engine start.

1. Logical address: 01 (Communication control)
   DTC DIAGNOSIS ITEM SPECIFICATION
   
   

   DTC	Diagnosis item	Condition	Countermeasure and inspected parts
   D6 *1	Absence of Master	Component in which this code is recorded has been disconnected from system with ignition in ACC or ON. Or, when this code was recorded, multi-display (CRT display) 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 *2	Connection Check Error	Component in which this code is recorded has been disconnected from system after engine start. Or, when this code was recorded, multi-display (CRT display) display was disconnected. D6	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 *3	Transmission Error	Transmission to component shown by subcode has been failed. (This code does not necessarily mean actual failure.)	If same sub-code is recorded in other components), check harness for power supply and communication system of all components shown by code.
   DD *4	Master 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.
   EO *1	Registration Completion Instruction Error	"Registration Completion Instruction" command from master cannot be received.	Since this DTC is provided for engineering, it may be detected when no actual failure exists.
   E2	ON/OFF Instruction Parameter Error	Error is detected in ON/OFF control command from multi-display (CRT display) display.	Replace multi-display (CRT display) display.
   E3 *1	Registration 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.
   DF *4	Master Error	Due 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. Check harness for communication system between multi-display (CRT display) display and radio receiver assy.
   E4 *1	Multiple Frame Abort	Multiple frame transmission is aborted.	Since this DTC is provided for engineering purpose, it may be detected when no actual failure exists.

2. Logical address: 58 (Navigation ECU)
   DTC DIAGNOSIS ITEM SPECIFICATION
   
   

   DTC	Diagnosis item	Condition	Countermeasure and inspected parts
   10	Gyro Error	Error in gyro sensor is detected. (Abnormal value in voltage output from sensor is detected for more than specified time.)	Replace navigation ECU.
   42	Map Disc Error	Data cannot be read for a certain time due to scratches or dirt on disc surface or insertion of wrong disc.	Inspect disc and replace if necessary. (Visually check disc surface and wipe it with soft cloth.)
   43	Vehicle Signal Error	Input 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 navigation ECU.
   44	Player Error	Malfunction of player continues for a certain length of time.	Check if disc can be inserted/taken out or not. If not, replace navigation ECU. If it can be inserted/taken out and this code is output, replace navigation ECU.

3. Logical address: 80 (GPS receiver)
   DTC DIAGNOSIS ITEM SPECIFICATION
   
   

   DTC	Diagnosis item	Condition	Countermeasure and inspected parts
   11	GPS Receiver Error	Operation error of GPS receiver is detected.	At an outdoor site with a clear view, operate to display GPS data. If GPS mark is not properly displayed after 15 min. or more, replace navigation ECU.
   40	GPS Antenna Error	Open condition of GPS antenna is detected. (Open circuit, connection failure of connectors, etc.)	Inspect antenna and replace if necessary.
   41	Power Supply Error of GPS Antenna	Abnormal voltage of GPS antenna cable or short circuit is detected.	Inspect GPS antenna and replace if necessary. (When no continuity is identified between connector's core and sealed part, GPS antenna is normal.) If GPS antenna is normal, replace navigation ECU.
   45	Player Temp. Too High	Readout cannot be done because temperature around player's pickup (reading part) is too high.	With ignition switch OFF, leave in cool shaded place for a while and recheck. If same code detected, replace navigation ECU.

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 may be stored when the engine key is turned again 1 min. after engine start.
• *3: This code may be stored when the engine key is turned again after engine start.
• *4: When 210 sec. has passed after pulling out the power supply connector of the master component with the ignition switch in ACC or ON, this code is stored.

Logical address: 01 (Communication control)