CUSTOMER CONCERN Customer states the air conditioning will not operate. DTCs B1419, B1421, B1424 and B1428 are stored. CAUSE The solar-sensor codes did not inhibit operation; circuit testing for B1419 confirmed a faulty connection at the rear junction-block ECU connector in the left rear trunk area. CORRECTION Repair rear junction-block ECU connector and terminal fit. Clear HVAC DTCs and verify air-conditioning operation.

CUSTOMER CONCERN Customer states the ABS, traction-control and brake warning lights remain on after brake-booster pump replacement and bleeding. DTC C1253 is stored. CAUSE The ABS MTR1 fusible link and pump feed circuit tested correctly, isolating the fault to Engine Room Relay Block 2/Engine Room Junction Block 2. CORRECTION Remove and replace Engine Room Relay Block 2/Engine Room Junction Block 2. Clear brake-system DTCs and verify booster-pump operation.