Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

When the air conditioning system functions properly, DTC B1400/00 is output.

Air Conditioning system

DIAGNOSTIC TROUBLE CODE CHART

DTC No.	Detection Item	Trouble Area	Memory
B1412/12	Ambient Temperature Sensor Circuit	Ambient temperature sensor Wire harness between ambient temperature sensor and combination meter assembly Combination meter assembly Air conditioning amplifier CAN communication line	Memorized (8.5 min. or more)
B1413/13	Evaporator Temperature Sensor Circuit	No. 1 cooler thermistor (Evaporator temperature sensor) Wire harness between No. 1 cooler thermistor (evaporator temperature sensor) and air conditioning amplifier Air conditioning amplifier	Memorized (8.5 min. or more)
B1422/22 *1	Compressor Lock Sensor Circuit	Compressor and magnetic clutch Compressor and magnetic clutch drive belt Compressor lock sensor Wire harness between compressor lock sensor and air conditioning amplifier Air conditioning amplifier	-
B1423/23	Pressure Sensor Circuit	Air conditioning pressure sensor Harness and connector between air conditioning pressure sensor and air conditioning amplifier Air conditioning amplifier	-
B1451/51	Compressor Solenoid Circuit	A/C Compressor2 Wire harness between air conditioning amplifier and A/C compressor2 Air conditioning amplifier	-
B1499/99	Multiplex Communication Circuit	Air conditioning amplifier ECM Combination meter assembly CAN communication line	-
HINT: 1: DTC B1422/22 (Compressor Lock Sensor Circuit) is indicated only for a currently occurring malfunction for 2GR-FE. 2: Compressor and Pulley for 2AZ-FE, Compressor and Magnetic Clutch for 2GR-FE