CAUTION / NOTICE / HINT HINT:
PROCEDURE
Standard voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the battery before proceeding.
(a) Use the Techstream to check if the CAN communication system is functioning normally. Click here
(a) Check for DTCs and note any codes that are output. Click here (b) Delete the DTC. Click here (c) Recheck for DTCs. Based on the DTCs output above, try to force output of the air conditioning system DTC by simulating the operation indicated by the DTC.
(a) Refer to the problem symptoms table. Click here
(a) DATA LIST / ACTIVE TEST Click here (b) Terminals of ECU Click here (c) On-vehicle Inspection (d) Inspection
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Toyota Tundra Service Manual > Touch Select 2-4 And High-low System: Terminals Of Ecu
TERMINALS OF ECU 1. CHECK 4 WHEEL DRIVE CONTROL ECU Text in Illustration *a Component with harness connected (4 Wheel Drive Control ECU) - - (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specifie ...