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 > Dynamic Radar Cruise Control System: Radar Cruise Control Presence Determination Malfunction (Engine / HV) (C1A52)
DESCRIPTION DTC C1A52 is stored when the ECM cannot recognize the millimeter wave radar sensor assembly. DTC No. Detection Item DTC Detection Condition Trouble Area C1A52 Radar Cruise Control Presence Determination Malfunction (Engine / HV) Approximately 17 seconds after the ignition switch is turne ...
