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q C CHECK A/C RELAY AFTER DISCON- OK E NG Replace A/C relay. Reconnect A/C relay. Note CHECK COIL SIDE CIRCUIT OF A/C 204 (TD27Ti models) or q 15 (ZD30DDTi models) and body ground? OK E NG I Turn ignition switch OFF. Check circuit continuity q 1 and ECM harness connector terminal 204 (TD27Ti models) or q 15 (ZD30DDTi models). CHECK VOLTAGE FOR THERMO q 2 and body ground? OK E NG I Turn ignition switch OFF. Check circuit continuity q 2 and dual- pressure switch connector q 2 . OK q D (Go to next page.) CHECK DUAL-PRES- NG OK q E (Go to page HA-58.) Replace dual-pressure Note: YHA421 YHA422 YHA423 YHA424 H H H H H H H H TROUBLE DIAGNOSES Diagnostic Procedure 2 (Cont’d) HA-56 |