TERMINALS OF ECU ![]() 1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY, MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly. Click here (b) Connect the driver side junction block assembly connectors. (c) Measure the voltage and resistance according to the value(s) in the table below.
(d) Install the main body ECU (multiplex network body ECU) to the driver side junction block assembly. Click here (e) Measure the voltage and check for pulses according to the value(s) in the table below.
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Toyota Tundra Service Manual > Engine Unit: Removal
REMOVAL PROCEDURE 1. REMOVE ENGINE WIRE (a) Engine LH Side: (1) Disconnect the 2 camshaft timing control valve connectors. (2) Disconnect the 4 ignition coil connectors. (3) Disconnect the 2 VVT sensor connectors. (4) Disconnect the camshaft position sensor connector. (5) Disconnect the crankshaft p ...