CAUTION / NOTICE / HINT HINT:
PROCEDURE
(a) Measure the battery voltage. Standard Voltage: 11 to 14 V If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.
(a) Use the Techstream to check if the CAN communication system is functioning normally. Click here
(a) Refer to DTC Check / Clear for the blind spot monitor system. Click here (b) Record or print DTCs and freeze frame data, if necessary. Click here
(a) Refer to DTC Check / Clear for the blind spot monitor system. Click here HINT: The current DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.
(a) Refer to DTC Check / Clear for the blind spot monitor system. Click here
HINT: Even if the malfunction symptom is not confirmed, check for DTCs. This is because the system stores history DTCs.
(a) Find the output DTC in Diagnostic Trouble Code Chart. Click here
(a) Refer to Problem Symptoms Table. Click here
HINT: If the symptom does not recur and no DTC is output, attempt to reproduce the symptoms. Click here
(a) Refer to Terminals of ECU. Click here
(b) Refer to Data List / Active Test. Click here
(a) Enter Test Mode (refer to Blind Spot Monitor Beam Axis Inspection). Click here (b) Confirm the blind spot monitor beam axis display and perform the blind spot monitor beam axis adjustment. Click here
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Toyota Tundra Service Manual > Pre-collision System: Vehicle Information Not Obtained (C1A02)
DESCRIPTION When a new millimeter wave radar sensor assembly is installed, it receives vehicle specification information from the main body ECU (multiplex network body ECU) and stores the information. DTC C1A02 is stored when the millimeter wave radar sensor assembly receives the vehicle specificati ...
