DESCRIPTION This DTC is detected when an open circuit or short to ground is detected in the transfer shift motor drive circuit.
WIRING DIAGRAM PROCEDURE
(a) Disconnect the 4 wheel drive control ECU connector. (b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Disconnect the A26 4 wheel drive control ECU connector. (b) Disconnect the D67 transfer shift actuator assembly connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Tundra Service Manual > Power Tilt And Power Telescopic Steering Column System: ECU Power Source Circuit Malfunction (B2620)
DESCRIPTION The ECU power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU. DTC Code Detection Condition Trouble Area B2620 The voltage of the ECU power source drops to 8 V or less and this condition continues for 10 seconds or more. ECU-DCC NO. 2 fuse Harness or ...