Preliminary Inspection

Before performing any troubleshooting procedures check:
- Fuses No.47(15 A)[1], No.45(15 A)[1], No. 11 (10 A)[2], No. 9(15 A)[2]
- Grounds No. G401, G402, G301 G381[3], G201, G1O1
- Cleanliness and tightness of all connectors.
[1]: In the under-hood fuse/relay box.
[2]: In the under-dash fuse/relay box.
[3]: With optional A/C


- That the system has refrigerant.
- Any abnormality must be corrected before continuing the test.

NOTE: Because of the precise measurements needed, use a digital multimeter when testing.