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

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Transit 2,012,9 V6<br />

, BRT, B4T, L6B, NCA, N4A, N4B, N6T, N6S,<br />

, N9B, N9C, N9D, N9E, N9F, PR7, PR8<br />

Ford CFilEEC IV<br />

Transit<br />

NOTE: Engine control module (ECM) incorporates transmission<br />

control function.<br />

LED illuminates for approximately 5 seconds between each<br />

trouble code rn [Dl.<br />

For example: <strong>Trouble</strong> code 24 displayed.<br />

<strong>Trouble</strong> code(s) are displayed twice.<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 using an LED connected to<br />

the data link connector (DLC).<br />

The ECM fault memory can also be checked <strong>and</strong> erased<br />

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

connector (DLC).<br />

Accessing<br />

Ensure ignition switched OFF.<br />

Engine at normal operating temperature.<br />

Connect LED test lamp positive connection to battery<br />

positive rn +I 989 or rn 1990 +.<br />

C Connect LED test lamp negative connection to DLC<br />

terminal 1 -1989 or rn 1990+.<br />

Switch ignition ON.<br />

NOTE: LED will illuminate a few seconds affer ignition is<br />

switched ON.<br />

Before LED illuminates: Bridge data link connector (DLC)<br />

terminals 2 <strong>and</strong> 3 rn -1 989 or rn 1990 +.<br />

Check that LED illuminates.<br />

<strong>Trouble</strong> codes are displayed after 10-30 seconds Q [A].<br />

Note trouble codes. Compare with trouble code table.<br />

<strong>Trouble</strong> codes are displayed by illuminated LED switching<br />

OFF for approximately 1 second Q [B].<br />

Each trouble code consists of two groups. LED illuminates<br />

for approximately 2 seconds between each group rn [C].<br />

NOTE: <strong>Trouble</strong> codes ending in '0' are displayed with only<br />

I group.

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