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SUVs Isuzu Axiom Isuzu Axiom Maintenance and Repair
203 messages, Last post on Nov 21, 2009 at 6:50 PM
You are in the Isuzu Axiom Forum. Your Hosts are steve_ & tidester
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Replying to: decababy (Mar 06, 2009 11:09 am) Sounds like you have shorted your wiring harness, or have a bad wiring harness or a loose connector at the PCM module. A even more worst case scenario is a bad PCM module, which would be expensive, but hopefully is UNLIKELY. Here are some details from the service manual, although there is a lot more info than I can post, but this may get you started: ************************** Diagnostic Trouble Code (DTC) P0401 EGR Flow Insufficient Diagnostic Aids Check for the following conditions: *Poor connection or damaged harness – Inspect the wiring harness for damage. If the harness appears to be OK, observe the Actual EGR Position display on the Tech 2 while moving connectors and wiring harnesses related to the EGR valve. A change in the display will indicate the location of the fault. *Ensure EGR valve is correctly mounted. See On-Vehicle Service. Reviewing the Failure Records vehicle mileage since the diagnostic test last failed may help determine how often the condition that caused the DTC to be set occurs. This may assist in diagnosing the condition. NOTE: If the EGR valve shows signs of excessive heat, check the exhaust system for blockage (possibly a plugged catalytic converter) using the “Restricted Exhaust System Check”. ************************************ P1125 ETC (Electric Throttle Control) Limit Performance Mode Diagnostic Aids An intermittent may be caused by the following: * Poor connections. *Mis routed harness. 6E–402 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS * Rubbed through wire insulation. * Broken wire inside the insulation. Check for the following conditions: * Poor connection at PCM-Inspect harness connectors for backed out terminals, improper mating, broken locks, improperly formed or damaged terminals, and poor terminal to wire connection. *Damaged harness-Inspect the wiring harness for damage. If the harness appears to be OK, observe the AP sensor 1, AP sensor 2, AP sensor 3 display on the Tech 2 while moving connectors and wiring harnesses related to the sensor. A change in the display will indicate the location of the fault. If DTC P1125 cannot be duplicated, the information included in the Failure Records data can be useful in determined vehicle mileage since the DTC was last set. If it is determined that the DTC occurs intermittently, performing the DTC P1125 Diagnostic Chart may isolate the cause of the fault. DTC P1125 ********************************************************** Diagnostic Trouble Code (DTC) P1295 ETC Power Management Mode Diagnostic Aids An intermittent may be caused by the following: * Poor connections. * Misrouted harness. * Rubbed through wire insulation. * Broken wire inside the insulation. Check for the following conditions: * Poor connection at PCM-Inspect harness connectors for backed out terminals, improper mating, broken 6E–452 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS locks, improperly formed or damaged terminals, and poor terminal to wire connection. * Damaged harness-Inspect the wiring harness for damage. If the harness appears to be OK, observe the TP sensor 1, TP sensor 2 display on the Tech 2 while moving connectors and wiring harnesses related to the sensor. A change in the display will indicate the location of the fault. If DTC P1295 cannot be duplicated, the information included in the Failure Records data can be useful in determined vehicle mileage since the DTC was last set. If it is determining that the DTC occurs intermittently, performing the DTC P1295 Diagnostic Chart may isolate the cause of the fault. |
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Replying to: bertbcfm (Mar 07, 2009 7:53 am) |
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Replying to: walk_the_walk2 (Mar 08, 2009 5:17 pm) |
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Replying to: walk_the_walk2 (Mar 08, 2009 5:05 pm) Otherwise, some new owner is going to pop in here in two years trying to track it down again. Or maybe in two weeks. 
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Replying to: 3h1ax02 (Mar 06, 2009 8:13 pm) According to the Workshop manual for the 02 Axiom, the transmission oil filter is located in the main transmission pan, which is located on the bottom of the transmission. There is also a magnet in this pan, near the filter. The filter is an odd shape, designed to fit in the pan. To get to the filter, you have to drain the fluid, and remove the pan and gasket. The drain plug (screw) is the larger one in the middle of the bottom of the pan. The fill screw (actually called the overfill screw) is located nearby, adjacent to the drain plug (screw). Believe it or not, you FILL the transmission through this overfill screw, until fluid comes out the overfill screw. HOW you do that I do not know, but I assume you need a special tool or hand pump at a minimum. The manual says this: "Remove the transmission overfill screw (1) and fill transmission through overfill screw opening, using DEXRON)–III ATF. NOTE: Add transmission fluid until it flows out over the overfill screw opening. 5. Let engine idle until a fluid temperature between 32 deg C (90 deg F) and 57deg C (135deg F) is reached. 6. Add transmission fluid until it flows out over the overfill screw opening, then close the overfill screw." It leaves out the step where you wipe the transmission fluid out of your eyes, nose and mouth, after getting it all over you! It does include this handy note, about plug gaskets for BOTH screw plugs: "NOTE: To prevent fluid leaks, the overfill screw and oil drain screws gasket must be replaced each time these screws are removed." This is likely a dealer-supplied item, which should be purchased along with the filter and pan gasket. Hope that helps. |
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My immobilizer light has come on twice in the past two months and when it does, my car starts but there is no acceleration. I also have noticed that my light on the key is getting dim. Do these two have any correlation?
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Replying to: shamwow (Mar 14, 2009 8:40 pm) But, to your question, there is no such thing as an "Immobilizer light" on an Axiom, and in fact the word does not appear in the Service Manual anywhere. You must be referring to one of the other warning lights. If you can be more precise, Shamwow, I can look up the answer in the service manual and get back to you, but only if you promise to send me a full set of Shamwows for free (no just kidding). Back to you...
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Replying to: walk_the_walk2 (Mar 15, 2009 3:02 pm)  Now back to your regularly scheduled program. |
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 My axiom needs the bank 1 &2 o2 sensors replaced. A mechanic quoted me $600-700.00 which seems steep to me considering the parts are 53.00 at an auto parts store. How difficult are these sensors to replace and where can I go to see a "how to" diagram online?
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Replying to: tazmomto2 (Apr 13, 2009 4:12 pm) Bert |
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