CHECK FOR INTERMITTENT PROBLEMS
HINT:
Inspect the ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which uses 2 trip detection logic.
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
ECM
Combination Meter ECU
CRUISE main indicator operation signal
SET indicator operation sig ...
System Description
SYSTEM DESCRIPTION
1. PUSH-BUTTON START DESCRIPTION
(a) The push-button start uses a push-type engine switch, which the driver can
operate by merely carrying the electrical key. This system consists primarily of
the power management control ECU, engine s ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The main body ECU (driver side junction block assembly) and certification ECU
(smart key ECU assembly) control the LIN communication system. LIN communication
system data and Diagnostic Trouble Codes (DTCs) can be read thr ...