2006trans14.doc PRIMARY MALF DETECTION PARAMETERS. Checksum calculation algorithm of flash memory, fail counter >= 5 counts KbINFD_NoStartCal = TRUE

Transcription

1 PRMETER FULT ODE EPTLE OPERTING RNGE ND RTIONLITY PRIMRY MLF DETETION PRMETERS SEONDRY PRMETERS ND ONDITIONS ND FREQUENY OF HEK DT TM ROM Test P0601 This DT detects an error in the flash memory containing the program and calibration. TM Not programmed Power up copy of NVM to RM P0602 P0603 This DT indicates the flash memory has not been programmed. This DT detects an error in the RM copy of power up RM Test P0604 This DT tests the read/write capability of each RM location Trans Fluid Temp Sensor ircuit Range/ P0711 The DT detects two failure modes of the TFT: 1) sensor that remains at a value. (Stuck Sensor) 2) an unrealistically large change in Transmission Temperature. hecksum calculation algorithm of flash memory, fail counter >= 5 counts KbINFD_NoStartal = TRUE hecksum calculation algorithm of NVM copy Read and write each RM location For fail case 1 and 2: ommon engine speed enable, No Engine oolant DT s, No OSS P0722, P0723 DTs, No ISS P0716, P0717 DTs, P0711 has not passed this ignition cycle, -40 deg <= trans fluid temp <= 150 deg Trans fluid temp has not changed => 2.0 deg -40 deg <= trans fluid temp <= +21 at startup, Engine coolant => 70 deg, Engine oolant has changed => 50 deg since startup, Vehicle speed since startup => 8 KPH for time => 750 (cumulative timer) T slip speed => 120 RPM for time => 500 (cumulative timer) Time => 100 Veh Spd>8 300Sec Slip > Trans fluid temp has not changed => 2.0 deg +129 deg <= trans fluid temp <= +150 at startup, Engine coolant => 70 deg, Engine oolant has changed => 50 deg since startup, Vehicle speed since startup => 8 KPH for time => 750 (cumulative timer) T slip speed => 120 RPM for time => 500 (cumulative timer) Time => 100 Veh Spd>8 for 300 Slip>120rpm for 300 Trans fluid temp changes => 20 deg For fail case 3: ommon engine speed enable, delta fail counter >= 14 counts in 7 second time sample Trans Fluid Temp Sensor ircuit - Low Input (High Temperature) Trans Fluid Temp. Sensor ircuit - High Input (Low Temperature) rake Switch ircuit High Input (Stuck On) P0712 P ohms to ohms The DT detects a low resistance in the transmission fluid temperature sensor circuit. 0 ohms to ohms The DT detects a high resistance in the transmission fluid temperature sensor circuit. P0719 0V to 12.0V This DT detects a open brake switch during accelerations. Transmission fluid temperature sensor circuit resistance <= ohms Transmission fluid temperature sensor circuit resistance >= ohms ccel counts > 8 ommon engine speed enable ommon engine speed enable, Transmission output speed >= 200 RPM for time >= 200, Transmission torque converter slip >= 120 RPM for time >= 200, No P0716, P0717, P0722, P0723 DTs active This ode Has not passed this ingnition cycle. No OSS DT's Increment ccel counter when rake Switch is High and Vehicle Speed < 8 KPH then 8 KPH <Vehicle Speed< 40 KPH for 6 sec then Vehicle Speed > 40 KPH for 7.0 sec. P0724 not passed test failures within 8 test samples ND rake is On for = > 900 Page 1 of 7

2 PRMETER FULT ODE EPTLE OPERTING RNGE ND RTIONLITY PRIMRY MLF DETETION PRMETERS SEONDRY PRMETERS ND ONDITIONS ND FREQUENY OF HEK DT Output Speed Sensor - Low Input Output Speed Sensor - Intermittent rake Switch ircuit Low Input (Stuck Off) T System Stuck OFF P0722 P RPM to 8192 RPM This DT detects a low output speed when the vehicle has a large Input speed in a driving gear range with a high Engine Torque value. 0 RPM to 8192 RPM This DT detects an unrealistic large DROP in Output Shaft speed. P0724.0V to 12.0V This DT detects an open circuit in the brake switch or brake switch wiring during decelerations. P0741 This DT detects high torque converter slip when the T is commanded ON in 2nd and/or 3rd Gear. Output Speed <= 50 RPM Output Speed DROP => 1000 RPM Decel counts => 8 T slip speed => 125 RPM Fail counter >= 4 counts PRNDL Range is not Park/Neutral, -40 Deg <= transmission temperature <= 150 Deg, 50 Nm <= Engine Torque <= 882 Nm and toque valid from EM, Throttle Position => 10%, 1400 <= Input Speed <= 5000 RPM, T slip speed >= -5 RPM, No OSS P0722, P0723 DTs, No ISS P0716, P0717 DTs, No PS P1810, P1815, P1816, P1818 DTs PRNDL range change timer >= 6, 4WD range change timer >= 6, N0 P0716, P0717, P0974 DTs Input speed delta < 300 RPM for time >= 2, Output speed raw >= 900 RPM for time >= 2, Output speed change <= 250 RPM for time >= 2 This ode Has not passed this ingnition cycle. rake switch signal indicates brake OFF, No OSS P0722, P0723 DTs, No brake switch P0719 DT, Increment Decel ounter when brake switch signal = brake OFF and Vehicle Speed >= 40 KPH for 7 then, 40 KPH > Vehicle Speed > 8 KPH for time < 4.75 then, Vehicle Speed < 8 KPH Throttle position => 10 % and throttle valid from EM, 50 Nm <= enginre torque <= 1492 Nm and toque valid from EM, Transmission fluid tmperature >= 20 Deg, No T electrical P1866 or P1867 DTs, No T stuck on P0742 DT, 1.41 <= gear ratio <= 1.56 (2 nd gear ) or 0.95 <= gear ratio <= 1.05 (3 rd, T on or locked, T capacity (PWM duty cycle) => 60 % T on time => 0.1 second Fail timer >= 3.5 Fail timer >= test failures within 8 test samples Fail timer >= 3.0 T System Stuck ON P0742 This DT detects low torque converter slip when the T is commanded off. -15 RPM <= T slip speed <= 15 RPM Fail counter >= 4 counts Throttle position => 10 % and throttle valid from EM, 156 Nm <= enginre torque <= 1492 Nm and toque valid from EM, 10 <= Transmission fluid tmperature <= 130 Deg, No T electrical P1866 or P1867 DTs, No T stuck off P0741 DT, 800 RPM <= engine speed <= 4400 RPM, 11 KPH <= vehicle speed <= 121 KPH, 0.95 <= gear ratio <= 1.56 (2 nd, 3 rd, commanded gear <> 1st T commanded off Fail timer >= 3 second Page 2 of 7

3 PRMETER FULT ODE EPTLE OPERTING RNGE ND RTIONLITY PRIMRY MLF DETETION PRMETERS SEONDRY PRMETERS ND ONDITIONS ND FREQUENY OF HEK DT Shift Solenoid pattern 2233 P0751 This DT detects incorrect gear ratios when 1 st gear and 4 th gear are commanded. Fail case 1 ND Fail case 2 re TRUE, increment fail counter P0751 set when fail counter >= 2 counts No P0742 or P0894 DTs, 20 Deg <= transmission fluid temperature <= 130 Deg, 150 RPM <= input speed <= 6500 RPM ommand gear = 1 st 1.23 <= measured gear ratio <= 1.84 (2 nd Fail timer >=.5 continuous ommand gear = 4 th 0.95 <= measured gear ratio <= 1.15 (3 rd Fail timer >= 1.0 Shift Solenoid pattern 1144 P0752 This DT detects incorrect gear ratio when 2 nd gear is commanded. Fail case 3 fail counter >= 5 counts No P0742 or P0894 DTs, 20 Deg transmission fluid temperature < 130 Deg, 150 RPM input speed <= 6500 RPM ommand gear = 2 nd 2.88 <= measured gear ratio <= 3.33 (1 st Fail Timer 2.0 Fail timer >= 2.25 Shift Solenoid pattern 4334 P0756 This DT detects incorrect gear ratios when 1 st gear and 2 nd gear are commanded. Fail case 1 ND Fail case 2 re TRUE, increment fail counter P0756 set when fail counter >= 2 counts No P0742 or P0894 DTs, 20 Deg <= transmission fluid temperature <= 130 Deg, 150 RPM input speed 6500 RPM Fail case 5: ommand gear = 1 st 0.69 <= measured gear ratio <= 1.14 (4 th Fail case 5: Fail timer >= 1.0 Fail case 6: ommand gear = 2 nd <= measured gear ratio <= 1.2 (3 rd Fail case 6: Fail timer >= 2.0 Page 3 of 7

4 PRMETER FULT ODE EPTLE OPERTING RNGE ND RTIONLITY PRIMRY MLF DETETION PRMETERS SEONDRY PRMETERS ND ONDITIONS ND FREQUENY OF HEK DT Shift Solenoid pattern 1221 P0757 This DT detects incorrect gear ratio when 3 rd gear is commanded. Fail case 7 fail counter >= 2 counts No P0742 or P0894 DTs, 20 Deg <= transmission fluid temperature <= 130 Deg, 150 RPM <= input speed <= 6500 RPM 3-2 Downshift Solenoid ircuit Low Voltage (Short to Ground or Open) P0787 open or short to ground in the 3-2 DS circuit or the 3-2 DS Fail case 7: ommand gear = 3 rd 1.59 <= measured gear ratio <= 1.8 (1 st Fail case 7: Fail timer >= Downshift Solenoid ircuit High Voltage (Short to 12 Volts) P0788 short to battery in the 3-2 DS circuit or the 3-2 DS Transmission omponent Slipping P0894 This DT detects Slip in the Torque onverter lutch and/or the Forth gear lutch Pack with the T in an apply or locked mode. 100 RPM <= T slip speed <= 550 RPM, ommon engine speed enable, Engine speed valid from EM, Given 3 rd or 4 th gear and speed ratio = engine RPM / trans output RPM, then 0.70 <= speed ratio <= 2.25 T commanded on or at full lock and T capacity (PWM D) >= 75 % for time >= 5, Fail case 1 fail time >= 10 nd T cycled from off to on Then increment fail case 1 fail counter Set fail case 1 complete flag = TRUE if fail case 1 fail counter >= 3 counts Fail case 2.1: Fail case 1 fail counter > 0 counts, 100 RPM <= T slip speed <= 550 RPM 20 Deg <= transmission fluid temperature <= 130 Deg,, 1200 RPM <= engine speed <= 3750 RPM, 48 KPH <= vehicle speed <= 177 KPH, Fail case 2.1: Fail time >= 10, Freeze adapt and command maximum line pressure, Proceed to fail case 2.2 Fail case 2.2: 100 RPM <= T slip speed <= 550 RPM Fail case 2.3: 100 RPM <= T slip speed <= 550 RPM No P0751, P0752, P0756, P0757 DTs, No P1866 or P1867 DTs, No P0741 or P0742 DTs, No P1810, P1815, P1816, or P1818 DTs, ll of the above criteria must be met to run any part of P0894 fail case logic Fail case 2.2: Fail time >= 12.5, Freeze adapt and command T off for time >= 2, Proceed to fail case 2.3 Fail case 2.3: Fail time >= 15, Set fail case 2 complete flag = TRUE Shift Solenoid (1-2 Shift Solenoid) Shift Solenoid (1-2 Shift Solenoid) Shift Solenoid (2-3 Shift Solenoid) P0973 P0974 P0976 open or ground short in the SS circuit or the SS short to power in the SS circuit or the SS open or ground short in the SS circuit or the SS Set P0894 if fail case 1 complete = TRUE or if fail case 2 complete flag = TRUE Page 4 of 7

5 PRMETER FULT ODE EPTLE OPERTING RNGE ND RTIONLITY PRIMRY MLF DETETION PRMETERS SEONDRY PRMETERS ND ONDITIONS ND FREQUENY OF HEK DT Shift Solenoid (2-3 Shift Solenoid) PS ircuit Malfunction PS indcates an illegal range value PS Start in Wrong Range P0977 P1810 P1815 short to power in the SS circuit or the SS This DT detects an invalid state of the PS sensor or the PS circuit by deciphering the PS inputs. This DT detects an invalid state of the PS sensor or the PS circuit by deciphering the PS inputs. PS range = iilegal value PS indicates D2 (ONLY) before and after Engine Start-up ( 625 RPM) ommon ignition voltage enable,ommon engine speed enable, No PS P1810 DT System Voltage is between 8.0 & 18.0 No VSS DT's Engine Speed Transition: elow 50 RPM for => 1.0 sec. then, between 50 and 610 RPM > sec. then => 625 RPM. (RPM must remain above the 625 RPM cal) PS ircuit Malfunction PS indicates P/N with drive gear ratio T PWM Solenoid T PWM Solenoid T Enable Solenoid ircuit Low Voltage Short to Ground or Open P1816 P2764 P2763 P2769 This DT detects an invalid state of the PS sensor or the PS circuit by deciphering the PS inputs. open or ground short in T PWM circuit or the T PWM short to power in the T PWM circuit or the T PWM open or short to ground in the T Enable Solenoid circuit or the T Enable Solenoid. PS range = P/N nd 3.33 >= gear ratio >= 2.33 or 1.52 >= gear ratio >= 1.23 or 1.02 >= gear ratio >= 0.95 or 0.9 >= gear ratio >= 0.64 NOTE: Ratio is measured NI/NO Output Speed <= 250 RPM ommon engine speed enable, No P0751, P0752, P0756, P0757 DTs, No P1810, P1815, P1816, or P1818 DTs, Transmission output speed >= 350 RPM, T Enable Solenoid ircuit High Voltage Short to 12 Volts (Sol with very low res) P2770 short to battery in the T Enable Solenoid circuit or the T Enable Solenoid. Four Wheel Drive Low - Switch Input Malfunction Fail ase 2: Switch Stuck On. Power down copy of NVM to RM P2771 P1621 This DT detects the continuous short to ground in the Four Wheel Drive Low Switch ircuit This DT detects an error in the RM copy of power down N us Error EU U2105 This DT detects a communication problem between the TM and EU 4WD Lo Switch indicates ON and Measured Transfer ase Ratio =>0.95 and <= 1.05 in any one gear. Measured Transfer case ratio = NI / NO / commanded gear ratio hecksum calculation algorithm of NVM copy No valid EU N message for 2.0 Same as Fail ase 1 ommon ignition voltage enable => 5.0 in any one gear. (Usually 4th 2 Fail ounts Page 5 of 7

6 LOOK-UP TLES LSS 2 Override bort alibrations Function Max Engine Speed for overall overrides Max KPH for Solenoid override Max 2-1 downshift request Max 3-2 downshift request Max Engine Speed for Force Motor Override Min Force Motor MP override Max Force Motor MP override T ommanded Off Time Override alibration 3200 RPM 100 KPH 40 KPH 60 KPH 2500 RPM (ctual is 1/2 this value on the vehicle) 0.0 MPS 1.1 MPS 300 sec. Page 6 of 7

7 System Voltage Malfunction Logic MODIFITION / TION DRIVER MY HVE OMMENT/OMPLINT Requirement SYSTEM VOLTGE OUT OF RNGE. 8.0 volts < ignition voltage < 18.0 volts for time >= 10.0 Normal transmission control ignition voltage <= 8.0 volts or ignition voltage >= 18.0 volts for time >= 10.0 Inhibit pressure control solenoid, Inhibit T solenoid, soft land to 2nd, freeze adapts Transmission will not shift. (ustomer may comment of one gear only) (The controller should have a P0562 or P0563 stored in history) Protection of Transmission Solenoids Unrelated to the P0562 and/or P0563 System Voltage DT s Page 7 of 7