DESCRIPTION The oil pressure sender detects the oil pressure generated when the engine is started. The combination meter determines that the engine is running when the engine speed is 400 rpm or more, and determines that the engine is cranking when the engine speed is 200 rpm or less. The oil pressure receiver gauge detects and indicates the oil pressure applied to the oil pressure sender. WIRING DIAGRAM 
PROCEDURE
(a) Check if a CAN communication system DTC is output (See page
(a) Operate the Techstream according to the display and select "Active Test"
(See page
OK: Needle indication is normal.
(a) Disconnect the E11 sender gauge connector. 
(b) Apply battery positive (+) voltage to the sender gauge terminal through a test LED. (c) Check that the LED does not illuminate when the engine is stopped. (d) Check that the LED flashes when the engine is running. The number of flashes varies with engine speed. OK: LED flashes when engine is running. LED does not illuminate when engine is stopped. Result
(a) Disconnect the J28 meter connector. (b) Disconnect the E11 gauge connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Tundra Service Manual > Meter / Gauge System: Speedometer Malfunction
DESCRIPTION The combination meter assembly receives vehicle speed signals from the skid control ECU via the CAN line. The vehicle speed sensor detects the voltage that varies according to the vehicle speed. The skid control ECU supplies power to the vehicle speed sensor. The skid control ECU detects ...
