Operating instructions - TRW Automotive Aftermarket

FastCheck
Toyota
Pre-OBD Systems
To display all of the blink codes on pre-OBD vehicles, the flying lead harness (see
cable kit YTD990) must be used with the scan tool.
WARNING: Follow instructions carefully. Incorrect connection of harness to
the vehicle may result in damage to the vehicle and/or the scan tool.
Connecting Procedure
• Connect red power lead to '+' (red) socket on the flying lead harness (see cable
kit YTD990).
• Connect black power lead to '-' (black) socket on the flying lead harness (see
cable kit YTD990).
• Clip red clamp of the power lead to the '+' (positive) terminal of the vehicle
battery.
• Clip black clamp of the power lead to the '-' (negative) terminal of the vehicle
battery.
• Connect the 25 way D-type connector to the scan tool.
• Connect the fly leads to the pins of the diagnostic connector as detailed in the
following sections:
NOTE: Always connect ground line first
Refer to the Toyota connector diagram in ‘Diagnostic connector locations’,
page 130, for further information.
EMS
To diagnose EMS faults:
• Connect black fly lead to diagnostic connector pin 'E1' (Ground line).
• Connect blue fly lead to diagnostic connector pin 'TE' or `TE1' (Code Activation
line).
• Connect yellow wire to diagnostic connector pin 'W' (Code Read line).
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