TERMINALS OF ECU 1. CHECK NAVIGATION RECEIVER ASSEMBLY ![]() (a) Disconnect the J133 and J135 navigation receiver assembly connectors. (b) Measure the voltage and resistance according to the value(s) in the table below.
(c) Reconnect the J133 and J135 navigation receiver assembly connectors. (d) Measure the voltage and waveform according to the value(s) in the table below.
(e) Using an oscilloscope, check the waveform. ![]()
(1) Waveform 1 Measurement Condition
HINT: The video waveform changes according to the image sent by the television camera assembly. (2) Waveform 2 Measurement Condition
HINT: The video waveform changes according to the image sent by the television camera assembly. |
Toyota Tundra Service Manual > Meter / Gauge System: Tachometer Malfunction
DESCRIPTION The combination meter assembly receives engine speed signals from the ECM via the CAN line. The combination meter assembly displays engine speed data that is calculated based on the data received from the ECM. WIRING DIAGRAM PROCEDURE 1. CHECK CAN COMMUNICATION SYSTEM (a) Check if a CAN ...