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Trouble Godes - diagramas.diagram...

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Model: Previa 2,4<br />

ON<br />

OFF 5<br />

Test mode I996 4<br />

Switch ignition OFF.<br />

Bridge data link connector (DLC) terminals El and TE2 0.<br />

Switch ignition ON.<br />

Ensure malfunction indicator lamp (MIL) flashes four times<br />

per second.<br />

Start enaine.<br />

Drive vehicle at over 6 mph (10 kmlh) to meet conditions of<br />

customer complaint.<br />

Stop vehicle. Do not switch ignition OFF.<br />

With data link connector (DLC) terminals El and TE2<br />

bridged, bridge terminals El and TE1 0.<br />

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

trouble code table.<br />

Switch ignition OFF.<br />

Remove bridge wires.<br />

Rectify faults as necessary.<br />

NOTE: Code 42 will be produced when vehicle speed is 6 mph<br />

(10 km/h) or less and can be ignored.<br />

Erasing<br />

NOTE: Fuse removal duration de~ends on ambient tem~erature.<br />

The lower the temperature the longer the fuse must be<br />

removed.<br />

Switch ignition OFF.<br />

Remove EFI fuse (15A) from underbonnet fusebox for<br />

30 seconds minimum a.<br />

Refit fuse.<br />

<strong>Trouble</strong> codes may also be erased by disconnecting battery<br />

leads.<br />

WARNING: Disconnecting battery may erase memory from<br />

electronic units (e.g. radio, clock).<br />

Repeat checking procedure to ensure no data remains in<br />

ECM fault memory.<br />

/Autodata Engme management 834

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