DESCRIPTION If a malfunction is detected in the power supply circuit, the trailer brake control ECU (brake control with bracket relay) stores this DTC.
WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE
(a) Check the battery voltage. Standard Voltage:
(b) Disconnect the J172 trailer brake control ECU (brake control with bracket relay) connector. (c) Inspect both the connector case and the terminal for deformation and corrosion. OK: No deformation or corrosion. (d) Turn the ignition switch to ON. (e) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Reconnect the J172 trailer brake control ECU (brake control with bracket relay) connector. (b) Clear the DTCs. Click here (c) Turn the ignition switch off. (d) Turn the ignition switch to ON. (e) Perform a road test. (f) Check if the same DTC is output. Click here
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Toyota Tundra Service Manual > A760e Automatic Transmission / Transaxle: Speed Sensor
ComponentsCOMPONENTS ILLUSTRATION InspectionINSPECTION PROCEDURE 1. INSPECT SPEED SENSOR NT (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 - 2 20°C (68°F) 560 to 680 Ω If the result is not as specifi ...