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Autodata - Diagnostic Trouble Codes Fault locations and probable causes - 2004 edition

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TOYOTA Model: Previa 2,4<br />

Year: 1990-04100<br />

Engine management<br />

Engine code:<br />

System:<br />

2TZ-FE<br />

TCCS<br />

gg@,<br />

El TE2<br />

TEl(T) TSTC<br />

General information<br />

Refer to the front of this manual for general test conditions,<br />

terminology, detailed descriptions of wiring faults <strong>and</strong> a<br />

general trouble shooter for electrical <strong>and</strong> mechanical faults.<br />

<strong>Trouble</strong> codes are displayed by the malfunction indicator<br />

lamp (MIL).<br />

1996+: The ECM fault memory can also be checked using<br />

diagnostic equipment connected to the data link connector<br />

(DLC).<br />

Accessing<br />

Normal mode<br />

Switch ignition ON.<br />

Bridge data link connector (DLC) terminals El <strong>and</strong> TEI.<br />

+I 996: 0. I996 +: 0.<br />

If no trouble codes are stored, the lamp will flash twice per<br />

second El.<br />

Each trouble code consists of two groups of one or more<br />

flashes rn [A].<br />

Warning lamp flash duration: 0,5 second [B].<br />

A 0,5 second pause separates each flash [C].<br />

A 1 3 second pause separates each trouble code group rn [Dl.<br />

A 2,5 second pause separates each trouble code rn [El.<br />

For example: Two 0,5 second flashes - 1 3 second<br />

pause - one 0,5 second flash. <strong>Trouble</strong> code 21 displayed<br />

rn - heated oxygen sensor (H02S).<br />

<strong>Trouble</strong> codes are repeated 4 3 seconds after last trouble<br />

code.<br />

Count MIL flashes. Note trouble codes. Compare with<br />

trouble code table.<br />

Remove bridge wire.<br />

Switch ignition OFF.<br />

Rectify faults as necessary.<br />

630 I Engme<br />

management [<strong>Autodata</strong>

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