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 > Sfi System: Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance (P2121)
DESCRIPTION HINT: Refer to DTC P2120 (See page ). DTC No. DTC Detection Condition Trouble Area P2121 Either conditions (1) or (2) met for 0.5 seconds (1 trip detection logic): (1) Difference between VPA and VPA2 is less than 0.4 V, or more than 1.2 V. (learned value of accelerator off position) (2) ...