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<002c004900030057004b0048000300570055005200580045004f0048000300560057004c004f004f00030052004600460058005500560003004800590048005100030057004b00520058004a004b00030057004b0048005500480003004400550048000300
51005200030044004500510052005500500044004f004c0057[ies in any of the other circuits, check
and replace the ECM.
HINT:
*1: When the circuit on which mark *1 is attached is a malfunction, DTC could be output (see
DIAGNOSTIC TROUBLE CODE CHART
).
Fig. 20: Chapter 1 Problem Symptoms Table (1 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
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Fig. 21: Chapter 1 Problem Symptoms Table (2 Of 2)
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2.Chapter 2: On-Vehicle Repair and Off-Vehicle Repair
(See A761E OVERHAUL
article for mechanical repair information.)
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Fig. 22: Chapter 2 Problem Symptoms Table (1 Of 2)
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Fig. 23: Chapter 2 Problem Symptoms Table (2 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
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TERMINALS OF ECM
1.ECM
Fig. 24: Identifying ECM Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HINT:
Each ECM terminal's standard voltage is shown in the table below.
In the table, first follow the information under "Condition". Look under "Symbols (Terminal No.)" for the
terminals to inspected. The standard voltage between the terminals is shown under "Specific Condition".
Use the illustration above as a reference for the ECM terminals.
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Fig. 25: Identifying ECM Terminals Reference Chart
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Waveform 1
Fig. 26: Identifying Waveform 1
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Reference:
WAVEFORM 1 REFERENCE TABLE
Waveform 2
TerminalSLT+ - SLT-
Tool setting5V/DIV, 1ms/DIV
Vehicle conditionEngine idle speed