TERMINALS OF ECU 1. CHECK TRAILER BRAKE CONTROL ECU (BRAKE CONTROL WITH BRACKET RELAY) (a) Disconnect the J172 trailer brake control ECU (brake control with bracket relay) connector and measure the voltage or resistance on the wire harness side. ![]()
(b) Connect the J172 trailer brake control ECU (brake control with bracket relay) connector. (c) Measure the voltage and resistance according to the value(s) in the table below. If the result is not as specified, the ECU may be malfunctioning. ![]()
HINT: Measure the values on the wire harness side while the connector is connected.
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Toyota Tundra Service Manual > Compressor: Inspection
INSPECTION PROCEDURE 1. INSPECT COOLER COMPRESSOR ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 (SSR+) - 2 (SSR-) 20°C (68°F) 65 to 125 Ω Text in Illustration *a Component without harness co ...