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I noticed that both of my first and second services have specified reset tps on the invoices. I don't know why other than maybe it is routine after valve lash adjustment.
It's a bit difficult to reset the TPS on a California 1400 when it doesn't have one! I'd be asking for a refund on work not done.
NEW CONTROL UNIT ACTIVATION PROCEDURE and REPROGRAMMINGAfter installing the control unit for the first time, or after REPROGRAMMING the control unit with adifferent or more updated mapping, turn the key to ON and wait 3 seconds; during this time the controlunit carries out throttle position acquisition. Connect to diagnosis instrument and check that the statuses"Front throttle automatic self-learning" and "Rear throttle automatic self-learning" are "Carried out" and"Handle self-learning" is "Not carried out" (this last status entails Urgent service being displayed on theinstrument panel). If front and rear throttle automatic self-acquisition indicate "Not carried out" go tophase 1, if indicate "Carried out" go to phase 2. Phase 1: current errors have probably been detectedby the control unit: solve these malfunctions and check the two statuses. Throttle Self-learning can alsobe checked from the Parameter adjustment (screwdriver and hammer) screen page. Stage 2: Carry outthe Handle Self-learning from the Parameter adjustment (screwdriver and hammer) screen page andcheck that Handle Self-learning status is Carried out. If not OK the voltage detected on the throttle isout of scale (check with diagnosis instrument) or current errors have been probably detected by thecontrol unit: solve these malfunctions and repeat the procedureCalifornia 1400 Electrical system ELE
DIAGNOSTICS INSTRUMENT: PARAMETERSThrottle correction· Example value with key ON: 0.0°· Example value with hot engine at idle: -0.5°An acceptable value is between -1.5° and + 1.5°Throttle Potentiometer 1 (degrees)· Example value with key ON: 6°7°· Example value with engine at idle: engine hot 5.5°, engine cold 6,5°Throttle Potentiometer 1 (voltage)· Example value with key ON: 800 mV· Example value with engine on: engine hot 760 mV, engine cold 800 mVThrottle Potentiometer 2 (degrees)California 1400 Electrical systemELE SYS - 121· Example value with key ON: 5.5°· Example value with engine on: engine hot 5.5°, engine cold 6.5°Throttle Potentiometer 2 (voltage)· Example value with key ON: 4200 mV· Example value with engine on: engine hot 4240 mV, engine cold 4200 mVThrottle Limp Home position· Example value with key ON: 824 mV at 6.7°Voltage stored in the control unit corresponding to the Limp home positionThrottle lower position· Example value with key ON: 480-510 mVCAUTIONBEFORE CARRYING OUT ANY TROUBLESHOOTING, CAREFULLY READ THE GENERAL TROUBLESHOOTINGCONCEPTS FOR ELECTRICAL DEVICES AT THE BEGINNING OF THE CHECKAND CONTROL SECTION IN THE ELECTRICAL SYSTEM CHAPTER.