Index Isuzu Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross - service repair manual 1999-2002 year
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TRANSMISSION CONTROL SYSTEM (4L30–E) 7A1–21 810RT022 PIN 1 – (Not used) PIN 2 – J1850 Bus + L line on 2–wire systems, or PIN 3 – (Not used) PIN 4 – Chassis ground pin PIN 5 – Signal ground pin PIN 6 – (Not used) PIN 7 – (Not used) PIN 8 – (Not used) PIN 9 – Primary UART PIN 10 – (Not used) PIN 11 – (Not used) PIN 12 – ABS diagnostic or CCM diagnostic enable PIN 13 – SIR diagnostic enable PIN 14 – (Not used) PIN 15 – (Not used) PIN 16 – Battery power from vehicle unswitched (4 Malfunction Indicator Lamp (MIL) The Malfunction Indicator Lamp (MIL) looks the same as DTC Types Each DTC is directly related to a diagnostic test. The following are the four (4) types of DTCs and the D Type A D Emissions related D Requests illumination of the MIL of the first trip with a D Stores a History DTC on the first trip with a fail D Stores a Freeze Frame (if empty) (DTC Information D Stores a Fail Record D Updates the Fail Record each time the diagnostic D Type B D Emissions related D “Armed” after one (1) trip with a fail D “Disarmed” after one (1) trip with a pass D Requests illumination of the MIL on the second consecutive trip with a fail D Stores a History DTC on the second consecutive trip D Stores a Freeze Frame on the second consecutive D Stores a Fail Record when the first test fails (not consecutive trip fails) D Updates the Fail Record each time the diagnostic (Some special conditions apply to misfire and fuel trim D Type C (if the vehicle is so equipped) D Non-Emissions related D Requests illumination of the Service Lamp or the first trip with a fail D Stores a History DTC on the first trip with a fail D Does not store a Freeze Frame D Stores Fail Record when test fails D Updates the Fail Record each time the diagnostic D Type D D Non-Emissions related D Not request illumination of any lamp D Stores a History DTC on the first trip with a fail D Does not store a Freeze Frame D Stores Fail Record when test fails D Updates the Fail Record each time the diagnostic IMPORTANT: Only four Fail Records can be stored. Each Fail Record is for a different DTC. It is possible that |