| Circuit diagram |

Removal 1. Remove the negative (-) battery terminal. 2. Remove the driver seat in the car. (Refer to Body - "Front Seat") 3. Remove the IMS module (A) after loosening 3 screws in the bottom of seat.
Inspection 1. Disconnect the IMS control switch connector. 2. With the power IMS control switch in each position, make sure that continuity exists between the terminals below.
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad") 3. Disconnect the 5P connector of the SMARTRA unit and then remove the SMARTRA unit (A) after loosening the bolt. Installation 1.
Oil Specification 1. The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2. Compressor (PAG) oil varies according to compressor model. Be sure to use oil specified for the model of compressor.