Reading and Clearing Diagnostic Trouble Codes

Self-diagnosis Function




DESCRIPTION
The self-diagnostic system diagnoses sensors door motors blower motor etc. by system line. Refer to applicable sections (items) for details. Shifting from normal control to the self-diagnostic system is accomplished by starting the engine (turning the ignition switch from OFF to ON) and pressing OFF switch for at least 5 seconds. The OFF switch must be pressed within 10 seconds after starting the engine (ignition switch is turned ON). This system will be canceled by either pressing AUTO.ECON switch or turning the ignition switch OFF. Shifting from one step to another is accomplished by means of pushing TEMP switch as required.

Additionally shifting from STEP 5 to AUXILIARY MECHANISM is accomplished by means of pushing (fan) UP switch.

Diagnostic Procedure Step 1 - 3:

Diagnostic Procedure Step 4 - 7:

Diagnostic Procedure Step 8 - 9:

Diagnostic Procedure Step 10 - 13:

Diagnostic Procedure Step 14:

Diagnostic Procedure Step 15:

FUNCTION CONFIRMATION PROCEDURE




AUXILIARY MECHANISM: TEMPERATURE SETTING TRIMMER
The trimmer compensates for differences in range of 13 °C (16 °F) between temperature setting (displayed digitally) and temperature felt by driver.

Operating procedures for this trimmer are as follows:
- Begin Self-diagnosis STEP 5 mode.
- Press (fan) UP switch to set system in auxiliary mode.
- Display shows 61 in auxiliary mechanism. It takes approximately 3 seconds.
- Press the TEMP switch as desired. Temperature will change at a rate of 0.5 °C (1.00 °F) each time a dial is turned.

When battery cable is disconnected trimmer operation is canceled. Temperature set becomes that of initial condition i.e. 0 °C (0 °F).




AUXILIARY MECHANISM: FOOT POSITION SETTING TRIMMER
Wind distribution ratio in FOOT mode can be set.

Operating procedures for this trimmer are as follows:
- Begin Self-diagnosis STEP 5 mode.
- Press FAN (UP) switch to set system in auxiliary mode.
- Display shows 61 in auxiliary mechanism. It takes approximately 3 seconds. Press the mode switch as desired.




AUXILIARY MECHANISM: INLET PORT MEMORY FUNCTION
When ignition key is turned from OFF to ON inlet port can be set to AUTO or manual.

Operating procedures for this trimmer are as follows:
- Begin Self-diagnosis STEP 5 mode.
- Press FAN (UP) switch to set system in auxiliary mode.
- Display shows 61 in auxiliary mechanism. It takes approximately 3 seconds.
- Press the recirculation (REC) switch as desired.