Automatic Transmission Troubleshooting
Contents
1. is the same as the VFR800FI system b is similar to the GL1800 system c uses a single thermovvax controlled valve d is nonexistent 6 The CRF250F has a D ring chain that is than an O ring chain a vvider b narrovver c heavier d taller 7 GL1800 clutch fluid should be replaced whichever comes first every two years or miles a 4 000 b 8 000 c 12 000 d 16 000 8 All Honda ATVs feature a six month warranty This statement is a True b False the TRX90 is covered for one year c False the TRX650 is covered for one year d False the TRX450R does not have coverage 9 When installing a TRX400FA wheel the lug nuts must be torqued to Ibf ft a 37 b 47 c 57 d 67 10 From the iN homepage what links do you fol low to access the Set Up Instructions a Service Unit Info Set Up Instructions b InformationCenter iN Library Set Up Instructions c Service Publications Set Up Instructions d Parts Unit Crates Set Up Instructions Contest Rules Winners are determined by random drawing If your entry is drawn and all answers are correct you will win a prize Entries are drawn until all prizes have been awarded TAPE THIS END CLOSED a lc q SS ADDV diusi j e q OWEN uo 261e7 X ulnip ly ZIS WIUS NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES BUSINESS REPLY MAIL FIRST CLASS MAIL PERMIT NO 426 GARDEN2. 0408 Wrench Contest Wear Your Winnings Welcome to another Wrench Contest Answer the contest questions correctly and you may win one of the following great prizes Honda Fossil leather wallet The Wrench Bill Blass short sleeve shirt e The Wrench deluxe sweatshirt The Wrench microfiber jacket Circle the best possible answer to each question below Do not circle multiple answers or your answer will be counted invalid Fill out the back of this page and mail it in That s all there is to it 1 The end date for the 2002 VFR800 A Seat Rail Product Update Campaign is October 12 2004 November 12 2005 November 20 2006 Open Product Update Campaigns do not expire a b 2 The initial valve maintenance interval on a 2004 CB600F is 600 miles 16 000 miles 24 000 miles None Uses hydraulic valve adjusters a b 3 After replacing the ECM on a 2004 TRX400FA FGA the identification punch mark should be made a after the last digit in the engine serial number b before the first digit in the VIN c after the last digit in the VIN d on the lovver left corner of the clutch cover 4 The automatic transmission in the TRX650 is a a hydromechanical continuously variable system b a 3 speed vvith torque converter and hydraulic clutch c also used in the TRX500 d None of the above 5 The VTX1800 Idle Air Control system a
3. A CA POSTAGE WILL BE PAID BY ADDRESSEE American Honda Motor Co Inc Attn M C Publications 100 4C 6B Wrench Contest 1919 Torrance Blvd Torrance CA 90501 9814 FOLD HERE FIRST TRX650FA FGA Troubleshooting Questionnaire Complete this questionnaire vvith the customer before you begin troubleshooting the automatic transmission VVhat mode did the problem occur in ESP or AUTO Both What type of conditions where you were riding Mud water trails asphalt pulling a trailer climbing hills other Was anything being carried on the racks Have any accessories or modifications been made to the ATV Winch Large wheels tires Lift kit Have any repairs been performed recently What was the vehicle speed when the problem occurred Does the speedometer work correctly Is it accurate Did you try to turn the ignition key OFF and then ON again to see if the problem cleared How long before the failure repeated RO Technician Name Date
4. SEPTEMBER 2004 the vvrench Honda Technician Newsletter The Wrench Special Edition TRX650FA FGA Automatic Transmission Troubleshooting Procedures To assist technicians in troubleshooting the TRX650 Automatic Transmission System we ve compiled the following troubleshooting procedures and tips from numerous sources including The Wrench articles the TechLine knowledge base and model specialists Use this resource often to become proficient in automatic transmission service saving your customers and your dealership time and money See section 26 Technical Feature of the 2003 2005 TRX650FA FGA Service Manual for a detailed technical expla nation of the operating principles design construction and operation of this Automatic Transmission System Before Troubleshooting Make sure you have followed all of the steps below before you start 1 Understand and verify the conditions under which the problem occurs ESP or Auto Does the problem occur only in ESP or Auto mode or in both modes Fill out a TRX650FA FGA Troubleshooting Questionnaire sent with this issue Make sure you interview the customer to get a complete picture of the problem occurrence 2 You must start any troubleshooting procedures with a fully charged battery Troubleshooting Procedures Begin your troubleshooting by determining if the problem is electrical or mechanical Mechanical Troubleshooting Oil level and oil pressure A low oil leve
5. l will cause low oil pressure You must check oil at all four ports 1 Main line oil pressure Service Manual page 4 5 2 1st gear clutch pressure Service Manual page 12 10 3 2nd gear clutch pressure Service Manual page 12 10 4 3rd gear clutch pressure Service Manual page 12 10 Slipping Usually caused by oil pressure leakage Slipping in all gears can be caused by 1 oil pump O rings damaged or 2 Torque converter problem Slipping in one gear only can be caused by 1 A B or C distribution pipe cracked or 2 Valve body contamination Abrupt engagement when applying the throttle slowly Check the following Idle Speed set too low Throttle lever free play e Throttle Position Sensor adjustment e Improper initialization Sub transmission difficult engagement Grinding noise when shifting to Drive or Reverse Shift cable adjustment incorrect Adjust the cable underneath the fuel tank not at the back of the engine Idle Speed set too low p Incorrect idle speed will disrupt proper operation of the creep control function Idle Speed set too high Sub transmission is shifted during fast idle warm up Electrical Troubleshooting Retrieve Problem Codes Start your electrical troubleshooting by retrieving problem codes Most calls to TechLine are made before the techni cian has checked for codes You should always check for codes first After retrieving any problem codes pe
6. rform the troubleshooting steps in the Service Manual that pertain to the code s you retrieved Problem Code Retrieval Procedure see Service Manual page 24 7 For all possible problem codes refer to the Troubleshooting Chart on Service Manual page 24 12 To erase problem codes see Service Manual page 24 9 Initialization Procedure see Service Manual page 24 10 You need to perform this procedure quickly Valve Body Solenoid e Check for tampering to the emergency valve reset to the original position Check for contamination in the valve body dirt water sludge e Check for proper operation Speed Sensors Check all connections e Check for proper operation see Service Manual pages 24 18 to 24 23 Electrical Pin Fit e Check all electrical connections for any loose contacts To check for proper pin fit order the following Special Tool Terminal Inspection Feeler Set P N 07 001000 H C 7198518 NOTE When you re checking pin fit with the above tool a slight drag on the feeler means the pin fit is correct HONDA 5 THE WRENCH 7 2004 American Honda Motor Co Inc All Rights Reserved Published by AHM Motorcycle Service Communications 1919 Torrance Blvd Torrance CA 90501 All suggestions become the property of American Honda Motor Co Inc sending a suggestion gives American Honda permission to publish it without further consideration Editor Bill Willis MSN 10779
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