Having problems with your 2002 Toyota ECHO ?

Checking the light does not even come on at all

\015 Drove to get the admissions test done in order for my daughter to renew her tabs. My daughter is the owner of a 2002 Toyota echo. Upon getting test done, the tech informed us that the reason for the admissions test failure was due to the engine light not coming on simply by turning the key to the on position. Drove to Toyota and made a diagnostics appointment for Monday February 9th 2009. Many offered their "two cents" by saying that the problem was possibly due to a bulb or fuse being out. On Sunday February 8th 2009 I checked and replaced the OBD fuse (the old fuse did not look bad). Problem still remains.\015 Posted / edited by AnonymousUser on : 23-11-2020

Answers :

\015\012PRE-CHECK
\015\0121. DIAGNOSIS SYSTEM
\015\012(a) Description
\015\012\001 When troubleshooting OBDII vehicles, the only difference
\015\012from the usual troubleshooting procedure
\015\012is that you connect to the vehicle the OBDII scan
\015\012tool complying with SAE J1978 or TOYOTA handheld
\015\012tester, and read off various data output from
\015\012the vehicle’s ECM.
\015\012\001 OBDII regulations require that the vehicle’s onboard
\015\012computer lights up the Malfunction Indicator
\015\012Lamp (MIL) on the instrument panel when the computer
\015\012detects a malfunction in the emission control
\015\012system/components or in the powertrain control
\015\012components which affect vehicle emissions, or a
\015\012malfunction in the computer. In addition to the MIL
\015\012lighting up when a malfunction is detected, the applicable
\015\012Diagnostic Trouble Code (DTC) prescribed
\015\012by SAE J2012 are recorded in the ECM memory
\015\012(See page DI-14 ).
\015\012If the malfunction does not reoccur in 3 consecutive trips, the
\015\012MIL goes off automatically but the DTCs remain recorded in the
\015\012ECM memory.
Repair Help & Product Troubleshooting for 2002 Toyota ECHO

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