Check Mode Procedure (from 07/2011)

HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Hatchback): CHECK MODE PROCEDURE

1. REFRIGERANT SHORTAGE CHECK IN NORMAL OPERATION (CHECK A/C SWITCH INDICATOR AND DTC)





(a) Turn the ignition switch to ON.

(b) Check that A/C switch indicator is turned on when the following conditions are met.

Measurement Condition





*: If the ambient temperature does not meet condition, do not perform this check.

HINT
If the amount of refrigerant in the system is insufficient, air conditioning system operation stops after 11 minutes in order to prevent compressor burnout, and the A/C switch indicator light turns off.

(c) Connect the Techstream to the DLC3.

(d) Check for DTC B14B8.

Result





2. REFRIGERANT SHORTAGE CHECK USING THE TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Air Conditioner / Utility / Refrigerant Gas Volume Check.

(e) According to the display on the Techstream, perform the refrigerant shortage check when the following conditions are met.

Measurement Condition





*: If the ambient temperature does not meet condition, do not perform this check.

HINT
* Refer to the Techstream operator's manual for further details.
* The message "The gas volume is insufficient" is shown on the Techstream screen and air conditioning system is stopped if the amount of refrigerant is insufficient in the cycle.
* The refrigerant shortage check using the Techstream does not output a DTC.

Result