DESCRIPTION This circuit detects the ignition switch ACC or off condition, and sends it to the main body ECU (multiplex network body ECU). WIRING DIAGRAM 
CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE
(a) Read the Data List according to the display on the Techstream. Click here
OK: Normal conditions listed above are displayed.
(a) Disconnect the driver side junction block assembly connectors. 
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Remove the driver side junction block assembly. Click here 
(b) Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly. Click here (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Tundra Service Manual > Vehicle Stability Control System: Open in ABS Solenoid Relay Circuit (C146E)
DESCRIPTION The ABS solenoid relay is built into the skid control ECU in the brake actuator assembly. The ABS solenoid relay supplies power to the ABS and TRAC solenoids. The skid control ECU (brake actuator assembly) detects an ABS solenoid relay malfunction by performing a self check and relay ope ...
