ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT COOLER CONDENSER ASSEMBLY (a) If the fins of the cooler condenser are dirty, clean them with water. Dry the fins with compressed air. NOTICE: Do not damage the fins of the condenser. (b) If a fin of the cooler condenser is bent, straighten it using a screwdriver or pliers. 2. CHECK CONDENSER FOR LEAKAGE OF REFRIGERANT (a) Using a halogen leak detector, check the pipe joints for gas leakage. (b) If gas leakage is detected in a joint, check the torque of the joint. |
Toyota Tundra Service Manual > Occupant Classification System: Front Occupant Classification Sensor LH Circuit Malfunction (B1780)
DESCRIPTION The front occupant detection sensor LH circuit consists of the occupant classification ECU and the front occupant detection sensor LH. DTC B1780 is set when a malfunction is detected in the front occupant detection sensor LH circuit. DTC Code DTC Detection Condition Trouble Area B1780 On ...