Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

Toyota Tundra Service Manual / Vehicle Interior / Air Conditioning / Air Conditioning System(for Automatic Air Conditioning System) / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

HINT:

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.

Air conditioning system

DTC Code	Detection Item	See page
B1411/11	Room Temperature Sensor Circuit
B1412/12	Ambient Temperature Sensor Circuit
B1413/13	Evaporator Temperature Sensor Circuit
B1421/21	Solar Sensor Circuit (Passenger Side)
B1422/22	Compressor Lock Sensor Circuit
B1423/23	Pressure Sensor Circuit
B1424/24	Solar Sensor Circuit (Driver Side)
B1441/41	Air Mix Damper Control Servo Motor Circuit (Passenger Side)
B1442/42	Air Inlet Damper Control Servo Motor Circuit
B1443/43	Air Outlet Damper Control Servo Motor Circuit
B1445/45	Passenger Side Cool Air Bypass Damper Control
B1446/46	Air Mix Damper Control Servo Motor Circuit (Driver Side)
B1497/97	BUS IC Communication Malfunction
B1499/99	Multiplex Communication Circuit

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REASSEMBLY CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. A bolt without a torque specification is shown in the standard bolt chart (See page ...

Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

Data List / Active Test

Dtc Check / Clear

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