Reading and Clearing Diagnostic Trouble Codes

NOTE: This is the only information provided by the manufacturer for reading diagnostic trouble codes for this system.

1. DIAGNOSIS FUNCTION




a. Diagnosis start-up
For shifting to diagnosis mode, push "CD" button 3 times with pressing "1" and "6" of TRUCK TUNE APS button at the same time while the audio power is OFF and ACC is ON.

In diagnosis mode, by pressing "CD" button for 2 seconds or turning the ignition key OFF, the diagnosis mode is released.

b. Service check mode
1. After the diagnosis start-up, the system enters service check mode when "TUNE UP" switch is pressed.
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 "System Check Confirmation" and "Diagnosis Memory Response".

- nCon:
The Component does not respond to the "Diagnosis On Instruction" command.
Applicable to only the system where connected components are limited to be used.

- ECHn:
Application of new version has been confirmed by the "Diagnosis On Check", and there is one or more DTC which indicates "Replacement" in the "System Check Result Response" or "Diagnosis Memory Response".

- CHEC:
Application of new version has been confirmed by the "Diagnosis On Check", and there is no DTC which indicates "Replacement" in the "System Check Result Response" or "Diagnosis Memory Response", but one or more DTC which indicated "Check" is identified.

- Old:
Application of old version is confirmed by the "Diagnosis On Check", and DTC is identified in the "System Check Result Response" or "Diagnosis Memory Response".

- nrES:
No response is identified to the "System Check Start Instruction" and "Request for System Check Result" 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: "good", "ECHN", "CHEC","nCon", "Old" or "nrES".





c. Display Screen for Service Check

Example: Connection parts (physical address): Multi Display (P160), Radio Receiver (P190), CD changer (P360)




d. "ECHN" Detail Display Mode Screen




e. "CHEC" Detail Display Mode Screen




f. "OLD" Detail Display Mode Screen

g. Recheck
1. Pressing the [ch1] key in Service Check Mode executes recheck.
2. To display the recheck process, follow the sequence indicated Display Screen for Service Check.




2. DIAGNOSIS CODE LIST

a. Physical address: 190 Radio receiver assembly

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

Part 1:

Part 2:

1. Logical address: 01 (Communication control)




2. Logical address: 61 (Cassette switch)




3. Logical address: 62 (CD player)

b. Physical address: 440 Stereo component amplifier

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 engine key is turned 1 min. again after engine start.
- *3: It 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)