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Honda Fit/Jazz - CVT System Description - Electronic Controls (L15A CVT)
Online Honda Fit/Jazz 2002-2005 Workshop repair manual used by professionals.
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Snip from the Manual
CVT System Description - Electronic Controls
Electronic Control System
PCM Terminal Connections
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PCM Inputs and Outputs
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With ignition switch OFF: 0 VA3YEL/BLKIGP1Power supply circuit from main relayWith ignition switch ON (II): Battery voltage
With ignition switch OFF: 0 VA4BLKPG2GroundA5BLKPG1GroundA10GRN/BLKSG2Sensor groundA11GRN/WHTSG1Sensor groundA18BLU/WHTVABSVehicle speed sensor signal inputWith ignition switch ON (II): About 5 V
With ignition switch OFF: 0 VA20YEL/BLUVCC2Power supply circuit for sensorsWith ignition switch ON (II): About 5 V
With ignition switch OFF: 0 VA21YEL/REDVCC1Power supply circuit for sensorsWith ignition switch ON (II): About 5 V
With ignition switch OFF: 0 VA23BRN/YELLG2GroundA24BRN/YELLG1Ground
In other than manual shifting mode: 0 VB12LT GRNS INDS indicator controlIn the S position: About 6 V
In other than the S position: 0 VB16YELSC LS +CVT start clutch pressure control valve power supply positive electrodeWith ignition switch ON (II): Pulsing signal
Electronic Control System (cont'd)
PCM Inputs and Outputs (cont'd)
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Downshift switch pressed: 0 V
Downshift switch released: About 5 VB20YELS-UPUpshift switch signal inputWith ignition switch ON (II):
Upshift switch pressed: 0 V
Upshift switch released: About 5 VB24BLU/WHTDR LS+CVT drive pulley pressure control valve power supply positive electrodeWith ignition switch ON (II): Pulsing signal
With inhibitor solenoid OFF: 0 VC7RED/BLUNDRCVT drive pulley speed sensor signal inputWith ignition switch ON (II): 0 V or about 5 V
With engine at idle in the N position: About 2.5 VC8PNK/BLUSC LS -CVT start clutch pressure control valve power supply negative electrodeWith ignition switch ON (II): Pulsing signalC9BLU/WHTATP STransmission range switch S position inputIn the S position: 0 V
In other than the S position: About 5 VC10WHTATP RTransmission range switch R position inputIn the R position: 0 V
In other than the R position: About 10 VC11BLUATP LTransmission range switch L position inputIn the L position: 0 V
In other than the L position: About 10 VC12LT GRNATP NPTransmission range switch P and N positions inputIn the P and N positions: 0 V
In other than the P and N positions: About 5 V
Released the 7Speed Mode: About 5 VC15WHTNDNCVT driven pulley speed sensor signal inputWith ignition switch ON (II): 0 V or about 5 V
With engine at idle in the N position: About 2.5 VC16GRN/YELDR LS -CVT drive pulley control valve power supply negative electrodeWith ignition switch ON (II): Pulsing signalC20PNKATP DTransmission range switch D position inputIn the D position: 0 V
In other than the D position: About 5 VC22WHT/REDVEL1CVT speed sensor signal inputWith ignition switch ON (II): 0 V or about 5 V
With driving (front wheels rotating): About 2.5 V
In the 7Speed Mode
- 4th, 5th, 6th speed: About 5 V
- 1st, 2nd, 3rd, 7th speed: About 0.3 V
In the D position: About 6 VE13BLU/REDSLCShift lock controlWith ignition switch ON (II), in the P position brake pedal pressed, and accelerator pedal released: Battery voltageE20GRN/BLKLED CShift indicator controlWith ignition switch ON (II) and not in the 7Speed Mode: About 5 V
In the 7Speed Mode
- 1st, 3rd, 5th speed: About 5 V
- 2nd, 4th, 6th, 7th speed: About 0.3 V
In the 7Speed Mode
- 2nd, 3rd, 6th speed: About 5 V
- 1st, 4th, 5th, 7th speed: About 0.3 V
Brake pedal released: 0 VE23RED/WHTK-LINECommunication line PCM-to-DLCWith ignition switch ON (II): Battery voltageE29BRNSCSSCS terminal signal inputWith ignition switch ON (II)
- SCS terminals open: About 5 V
- SCS terminals short-circuited to ground: 0 V
Circuit Diagram
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BLU/WHT VABS