BASIC INSPECTION [AY6A-EL]
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Measure the battery voltage. Is the battery voltage 10.0-14.0 V ? | Yes | Go to the next step. |
| No | Replace or recharge the battery. (See BATTERY RECHARGING [MZI 3.7 V6] .) | ||
| 2 | Inspect the TCM related harnesses, connectors and fuses. Are they normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts according to the inspection result. | ||
| 3 | Switch the ignition to ON. When the selector lever is moved, does the gear position indicator light indication correspond to the selector lever position? Also, when other positions are selected from N or P during idling, does the vehicle move within 1-2 s? | Yes | Go to the next step. |
| No | Inspect TR switch (built in TCM) and the adjustment of selector cable and TR switch. Repair or replace malfunctioning parts. (See TRANSAXLE RANGE (TR) SWITCH INSPECTION [AY6A-EL] .) (See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION .) (See TCM REMOVAL/INSTALLATION [AY6A-EL] .) If the selector cable and TR switch are normal, go to the next step. | ||
| 4 | Perform the line pressure test. Is the line pressure within the specified? | Yes | Perform the symptom troubleshooting and follow the procedures. |
| No | Repair or replace any malfunctioning parts according to the inspection result. | ||
| 5 | Perform the road test. Is the ATX operating normally? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts according to the inspection result. | ||
| 6 | Perform the stall test. Is the stall speed within the specified? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts according to the inspection result. | ||
| 7 | Perform the time lag test. Is the ATX operating normally? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts according to the inspection result. | ||
| 8 | Inspect the ATF color and condition. (See AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION [AY6A-EL] .) Are the ATF color and odor normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts according to the inspection result. Flush the ATX and cooler line if necessary. | ||
| 9 | Inspect the value at the following PCM and TCM PIDs using the M-MDS. (See PCM INSPECTION [MZI 3.7 V6] .) (See ON-BOARD DIAGNOSTIC SYSTEM PID/DATA MONITOR INSPECTION [AY6A-EL] .) PCM PIDs: APP1 APP2 CHT RPM VPWR TCM PIDs: TSS OSS TFT TFTV TR THOP MNL SW UP_SW DWN_SW BOO Are the PID values normal? | Yes | Perform the symptom troubleshooting and follow the procedures. |
| No | Repair or replace any malfunctioning parts according to the inspection result. | ||
SYMPTOM TROUBLESHOOTING ITEM TABLE [AY6A-EL]
- Use the chart below to verify the symptoms of the trouble in order to diagnose the appropriate area. NOTE: If a tire of a different diameter from the standard tire is installed, the TCM determines that the driving mode is the AAS mode, and may change to a different shift timing from the normal timing. The TCC operation exists in 2GR to 6GR.
| No. | TROUBLESHOOTING ITEM | DESCRIPTION | REFERENCE |
|---|---|---|---|
| 1 | Vehicle does not move in D or in R position | Vehicle does not move when accelerator pedal is depressed. | (See NO.1 VEHICLE DOES NOT MOVE IN D OR IN R POSITION [AY6A-EL] .) |
| 2 | Vehicle moves in N position | Vehicle creeps in N position. Vehicle creeps if brake pedal is not depressed in N position. | (See NO.2 VEHICLE MOVES IN N POSITION [AY6A-EL] .) |
| 3 | Vehicle moves in P position, or parking gear does not disengage when P position is disengaged | Vehicle rolls when on a downward slope and tires do not lock in P position. Tires locked when P position is disengaged, vehicle does not move in D and R position when accelerator pedal is depressed, and engine remains in stalled condition. | (See NO.3 VEHICLE MOVES IN P POSITION, OR PARKING GEAR DOES NOT DISENGAGE WHEN P IS DISENGAGED [AY6A-EL] .) |
| 4 | Excessive creep | Vehicle accelerates in D and R position when accelerator pedal is not depressed. | (See NO.4 EXCESSIVE CREEP [AY6A-EL] .) |
| 5 | No creep at all | Vehicle does not move in D or R position when idling on flat paved road. | (See NO.5 NO CREEP AT ALL [AY6A-EL] .) |
| 6 | Low maximum speed and poor acceleration | Vehicle acceleration is poor at start. Delayed acceleration when accelerator pedal is depressed while driving. | (See NO.6 LOW MAXIMUM SPEED AND POOR ACCELERATION [AY6A-EL] .) |
| 7 | No shifting | Single shift range only. Sometimes shifts correctly. | (See NO.7 NO SHIFTING [AY6A-EL] .) |
| 8 | Does not shift to 6GR | Vehicle does not upshift from 5GR to 6GR even though vehicle speed increased. Vehicle does not shift to 6GR even though accelerator pedal is released in D position at 80 km/h {50 mph} . | (See NO.8 DOES NOT SHIFT TO 6GR [AY6A-EL] .) |
| 9 | Abnormal shifting | Shifts incorrectly (incorrect shift pattern). | (See NO.9 ABNORMAL SHIFTING [AY6A-EL] .) |
| 10 | Frequent shifting | Downshifting occurs suddenly even when accelerator pedal is depressed slightly in D position. | (See NO.10 FREQUENT SHIFTING [AY6A-EL] .) |
| 11 | Shift point is high or low | Shift point considerably different from automatic shift diagram. Shift delays when accelerating. Shift occurs suddenly when accelerating and engine speed does not increase. | (See NO.11 SHIFT POINT IS HIGH OR LOW [AY6A-EL] .) |
| 12 | Torque converter clutch (TCC) non-operation | TCC does not operate when vehicle reaches TCC operation range. | (See NO.12 TORQUE CONVERTER CLUTCH (TCC) NON-OPERATION [AY6A-EL] .) |
| 13 | No kickdown | Does not downshift when accelerator pedal is fully depressed within kickdown range. | (See NO.13 NO KICKDOWN [AY6A-EL] .) |
| 14 | Engine flares up or slips when upshifting or downshifting | When accelerator pedal is depressed, engine speed increases normally but vehicle speed increases slowly. When accelerator pedal is depressed while driving, engine speed increases but vehicle speed does not increase. | (See NO.14 ENGINE FLARES UP OR SLIPS WHEN UPSHIFTING OR DOWNSHIFTING [AY6A-EL] .) |
| 15 | Engine flares up or slips when accelerating vehicle | Engine flares up when accelerator pedal is depressed for upshifting. Engine flares up suddenly when accelerator pedal is depressed for downshifting. | (See NO.15 ENGINE FLARES UP OR SLIPS WHEN ACCELERATING VEHICLE [AY6A-EL] .) |
| 16 | Judder upon torque converter clutch (TCC) operation | Vehicle jolts when TCC is engaged. | (See NO.16 JUDDER UPON TORQUE CONVERTER CLUTCH (TCC) OPERATION [AY6A-EL] .) |
| 17 | Excessive shift shock from N to D or N to R position | Strong shock is felt when shifting from N to D or N to R position at idle. | (See NO.17 EXCESSIVE SHIFT SHOCK FROM N TO D OR N TO R POSITION [AY6A-EL] .) |
| 18 | Excessive shift shock is given when upshifting and downshifting | Excessive shift shock is felt when depressing accelerator pedal to accelerate at upshifting. During cruising, excessive shift shock is felt when depressing accelerator pedal at downshifting. | (See NO.18 EXCESSIVE SHIFT SHOCK IS GIVEN WHEN UPSHIFTING AND DOWNSHIFTING [AY6A-EL] .) |
| 19 | Excessive shift shock on torque converter clutch (TCC) | Strong shock is felt when TCC is engaged. | (See NO.19 EXCESSIVE SHIFT SHOCK ON TORQUE CONVERTER CLUTCH (TCC) [AY6A-EL] .) |
| 20 | Noise occurs at idle when vehicle is stopped in all positions | Transaxle is noisy in all positions when vehicle is idling. | (See NO.20 NOISE OCCURS AT IDLE WHEN VEHICLE IS STOPPED IN ALL POSITIONS [AY6A-EL] .) |
| 21 | Noise occurs at idle when vehicle is stopped in D or in R position | Transaxle is noisy in driving ranges when vehicle is idling. | (See NO.21 NOISE OCCURS AT IDLE WHEN VEHICLE IS STOPPED IN D OR IN R POSITION [AY6A-EL] .) |
| 22 | No engine braking in 1GR position of M position | Engine speed drops to idle but vehicle coasts when accelerator pedal is released during cruising at medium to high speeds. Engine speed drops to idle but vehicle coasts when accelerator pedal is released when in M position (1GR) at low vehicle speed. | (See NO.22 NO ENGINE BRAKING IN 1GR POSITION OF M POSITION [AY6A-EL] .) |
| 23 | Transaxle overheats | Burnt smell emitted from the transaxle. Smoke is emitted from the transaxle. | (See NO.23 TRANSAXLE OVERHEATS [AY6A-EL] .) |
| 24 | Engine stalls when shifted to D or in R position | Engine stalls when shifting from N or P position to D or R position at idle. | (See NO.24 ENGINE STALLS WHEN SHIFTED TO D OR IN R POSITION [AY6A-EL] .) |
| 25 | Engine stalls when driving at slow speeds or stopping | Engine stalls when brake pedal is depressed while driving at low speed or stopping. | (See NO.25 ENGINE STALLS WHEN DRIVING AT SLOW SPEED OR STOPPING [AY6A-EL] .) |
| 26 | Starter does not work | Starter does not work even when P or N position is selected. | (See NO.26 STARTER DOES NOT WORK [AY6A-EL] .) |
| 27 | Gear position indicator light does not illuminate in D or M position | Gear position indicator light in instrument cluster does not illuminate in D or M position and ignition switch at ON. | (See NO.27 GEAR POSITION INDICATOR LIGHT DOES NOT ILLUMINATE IN D OR M POSITION [AY6A-EL] .) |
| 28 | Gear position indicator light illuminate in P, R or N position | Gear position indicator light in instrument cluster illuminate in P, R or N position and ignition switch at ON. | (See NO.28 GEAR POSITION INDICATOR LIGHT ILLUMINATE IN P, R OR N POSITION [AY6A-EL] .) |
| 29 | Does not upshift in M position | Gear position indicator light in instrument cluster illuminates but vehicle does not upshift when selector lever is pushed to "+" side. | (See NO.29 DOES NOT UPSHIFT IN M POSITION [AY6A-EL] .) |
| 30 | Does not downshift in M position | Gear position indicator light in instrument cluster illuminates but vehicle does not downshift when selector lever is pushed to "-" side. | (See NO.30 DOES NOT DOWNSHIFT IN M POSITION [AY6A-EL] .) |
| 31 | M position indicator light dose not illuminate in M position/M position indicator light illuminate in D position | M position indicator light in instrument cluster dose not illuminate in M position or M position indicator light in instrument cluster in D position with the ignition at ON. | (See NO.31 M POSITION INDICATOR LIGHT DOES NOT ILLUMINATE IN M POSITION/M POSITION INDICATOR LIGHT ILLUMINATES IN D POSITION [AY6A-EL] .) |
Quick Diagnosis Chart - AY6A-EL (1 Of 3). Scheme 1307
Quick Diagnosis Chart - AY6A-EL (2 Of 3). Scheme 1308
Quick Diagnosis Chart - AY6A-EL (3 Of 3). Scheme 1309
Diagnostic Procedure
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | INSPECT PARKING MECHANISM FOR MALFUNCTION When the vehicle is stopped on a flat, level road and the engine off, does the vehicle move when pushed? (in D or N, R positions with the brake pedal released) | Yes | Go to the next step. |
| No | Inspect for parking mechanism. | ||
| 2 | INSPECT SELECTOR LEVER AND SELECTOR CABLE ADJUSTMENT FOR MALFUNCTION Start the engine. Does vehicle move when selector lever in between N position and D position? | Yes | Inspect or adjust selector lever and cable. (See SELECTOR LEVER INSPECTION .) (See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION .) Perform N position learning. (See TCM NEUTRAL POSITION LEARNING [AY6A-EL] .) |
| No | Go to the next step. | ||
| 3 | INSPECT SHIFT SOLENOIDS FOR MALFUNCTION Stop the engine. Inspect following solenoid. Shift solenoid A (See SHIFT SOLENOID A INSPECTION [AY6A-EL] .) Shift solenoid B (See SHIFT SOLENOID B INSPECTION [AY6A-EL] .) Shift solenoid C (See SHIFT SOLENOID C INSPECTION [AY6A-EL] .) Shift solenoid E (See SHIFT SOLENOID E INSPECTION [AY6A-EL] .) Shift solenoid F (See SHIFT SOLENOID F INSPECTION [AY6A-EL] .) Line pressure control solenoid (See LINE PRESSURE CONTROL SOLENOID INSPECTION [AY6A-EL] .) Are these normal? | Yes | Go to the next step. |
| No | Inspect the coupler component. If normal, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 4 | VERIFY IF MALFUNCTION CAUSE IS TORQUE CONVERTER OR TRANSAXLE Perform the stall test. (See MECHANICAL SYSTEM TEST [AY6A-EL] .) Is the stall speed within the specified? | Yes | Replace the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AY6A-EL] .) |
| No | Replace the torque converter. (See TORQUE CONVERTER REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 5 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | INSPECT SELECTOR LEVER AND SELECTOR CABLE ADJUSTMENT FOR MALFUNCTION Does the vehicle creep when selector lever is moved slightly in N position? | Yes | Go to the next step. |
| No | Inspect and adjust the selector lever and cable. (See SELECTOR LEVER INSPECTION .) (See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION .) Perform N position learning. (See TCM REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 2 | INSPECT IF MALFUNCTION CAUSE IS SHIFT SOLENOIDS OR TRANSAXLE Inspect following solenoid. Shift solenoid C (See SHIFT SOLENOID C INSPECTION [AY6A-EL] .) Shift solenoid D (See SHIFT SOLENOID D INSPECTION [AY6A-EL] .) Are these solenoids normal? | Yes | Replace the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AY6A-EL] .) |
| No | Inspect the coupler component. If normal, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 3 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | INSPECT SELECTOR LEVER AND SELECTOR CABLE ADJUSTMENT FOR MALFUNCTION Does the vehicle creep in P and/or N position? | Yes | Inspect or adjust the selector lever and cable. (See SELECTOR LEVER INSPECTION .) (See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION .) |
| No | Go to the next step. | ||
| 2 | INSPECT SHIFT SOLENOIDS FOR MALFUNCTION Stop the engine. Inspect following solenoid. Shift solenoid C (See SHIFT SOLENOID C INSPECTION [AY6A-EL] .) Shift solenoid D (See SHIFT SOLENOID D INSPECTION [AY6A-EL] .) Shift solenoid E (See SHIFT SOLENOID E INSPECTION [AY6A-EL] .) Shift solenoid F (See SHIFT SOLENOID F INSPECTION [AY6A-EL] .) Line pressure control solenoid (See LINE PRESSURE CONTROL SOLENOID INSPECTION [AY6A-EL] .) Are these solenoids normal? | Yes | Go to the next step. |
| No | Inspect the coupler component. If normal, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 3 | VERIFY IF MALFUNCTION CAUSE IS TORQUE CONVERTER OR TRANSAXLE (INCLUDING CONTROL VALVE BODY) Perform the stall test. (See MECHANICAL SYSTEM TEST [AY6A-EL] .) Is the stall speed within the specified? | Yes | Inspect the ATF condition. If large amount of metal specks are found, replace the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AY6A-EL] .) If a large amount of metal specks are not found, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) |
| No | Replace the torque converter. (See TORQUE CONVERTER REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 4 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
* If case of shift solenoid C failure
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | INSPECT SELECTOR LEVER POSITION SIGNAL FOR MALFUNCTION With the ignition at ON, does the gear position indicator light indication correspond to the selector lever position? | Yes | Go to the next step. |
| No | Go to No.27 "GEAR POSITION INDICATOR LIGHT DOES NOT ILLUMINATE IN D OR M POSITION", or No.28 "GEAR POSITION INDICATOR LIGHT ILLUMINATE IN P, R OR N POSITION". | ||
| 2 | INSPECT ENGINE CONTROL SYSTEM FOR MALFUNCTION Go to No.12 "LACK/LOSS OF POWER (ACCELERATION/CRUISE)". (See NO.12 LACK/LOSS OF POWER-ACCELERATION/CRUISE [MZI 3.7 V6] .) Does engine control system normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts according to the inspection results. | ||
| 3 | INSPECT SHIFT SOLENOIDS FOR MALFUNCTION Stop the engine. Inspect following solenoid. Shift solenoid A (See SHIFT SOLENOID A INSPECTION [AY6A-EL] .) Shift solenoid B (See SHIFT SOLENOID B INSPECTION [AY6A-EL] .) Shift solenoid C (See SHIFT SOLENOID C INSPECTION [AY6A-EL] .) Shift solenoid D (See SHIFT SOLENOID D INSPECTION [AY6A-EL] .) Shift solenoid E (See SHIFT SOLENOID E INSPECTION [AY6A-EL] .) Shift solenoid F (See SHIFT SOLENOID F INSPECTION [AY6A-EL] .) Line pressure control solenoid (See LINE PRESSURE CONTROL SOLENOID INSPECTION [AY6A-EL] .) Are they normal? | Yes | Go to the next step. |
| No | Inspect the coupler component. If normal, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 4 | VERIFY IF MALFUNCTION CAUSE IS TORQUE CONVERTER OR TRANSAXLE (INCLUDING CONTROL VALVE BODY) Perform the stall test. (See MECHANICAL SYSTEM TEST [AY6A-EL] .) Is the stall speed within the specified? | Yes | Inspect the ATF condition. If large amount of metal specks are found, replace the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AY6A-EL] .) If a large amount of metal specks are not found, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) |
| No | Replace the torque converter. (See TORQUE CONVERTER REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 5 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
* If case of shift solenoid C failure
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | INSPECT SELECTOR LEVER POSITION SIGNAL FOR MALFUNCTION With the ignition at ON. Does the gear position indicator light indication correspond to selector lever position? | Yes | Go to the next step. |
| No | Go to No.27 "GEAR POSITION INDICATOR LIGHT DOES NOT ILLUMINATE IN D OR M POSITION", or No.28 "GEAR POSITION INDICATOR LIGHT ILLUMINATE IN P, R OR N POSITION". | ||
| 2 | VERIFY SHIFT CONTROL OPERATION Drive the vehicle in D position and inspect following: 1-2 shift up and down 2-3 shift up and down 3-4 shift up and down 4-5 shift up and down 5-6 shift up and down Are all shift-up and shift-down possible? | Yes | Go to the next step. |
| No | No shift at all: Go to No.7 "NO SHIFTING". Abnormal shift: Go to No.9 "ABNORMAL SHIFTING". | ||
| 3 | INSPECT SHIFT SOLENOIDS FOR MALFUNCTION Stop the engine. Inspect following solenoid. Shift solenoid C (See SHIFT SOLENOID C INSPECTION [AY6A-EL] .) Shift solenoid D (See SHIFT SOLENOID D INSPECTION [AY6A-EL] .) Shift solenoid E (See SHIFT SOLENOID E INSPECTION [AY6A-EL] .) Shift solenoid F (See SHIFT SOLENOID F INSPECTION [AY6A-EL] .) Line pressure control solenoid (See LINE PRESSURE CONTROL SOLENOID INSPECTION [AY6A-EL] .) Are they normal? | Yes | Go to the next step. |
| No | Inspect the coupler component. If normal, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 4 | VERIFY IF MALFUNCTION CAUSE IS TORQUE CONVERTER OR TRANSAXLE (INCLUDING CONTROL VALVE BODY) Perform the stall test. (See MECHANICAL SYSTEM TEST [AY6A-EL] .) Is the stall speed within the specified? | Yes | Inspect the ATF condition. If large amount of metal specks are found, replace the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AY6A-EL] .) If a large amount of metal specks are not found, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) |
| No | Replace the torque converter. (See TORQUE CONVERTER REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 5 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | VERIFY TIRE CONDITION Inspect the tire size and air pressure. Is the tire of specified size and air pressure? | Yes | Go to the next step. |
| No | Replace with a specified tire size or adjust the air pressure of each specified tire to the specified value. | ||
| 2 | INSPECT ABS WHEEL SPEED SENSOR SIGNAL Display the following DSC CM PIDs using the M-MDS. (See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .) WSPD_LF WSPD_LR WSPD_RF WSPD_RR Are the monitoring values displayed uniformly while driving? | Yes | Go to the next step. |
| No | Perform the following inspections: ABS wheel-speed sensor installation inspection Is the ABS wheel-speed sensor installation normal? ABS sensor rotor installation inspection Is the ABS sensor rotor installed twisted? (may cause output of abnormal wave pattern at high speeds.) Are there missing teeth on the sensor rotor? If there is any malfunction, repair or replace the malfunctioning location. | ||
| 3 | INSPECT TCM FOR POOR GROUND Inspect for continuity between the TCM terminal A9 and battery negative terminal. Is there continuity? | Yes | Go to the next step. |
| No | Repair or replace ground circuit. | ||
| 4 | INSPECT SHIFT SOLENOIDS FOR MALFUNCTION Inspect following shift solenoids. Shift solenoid C (See SHIFT SOLENOID C INSPECTION [AY6A-EL] .) Shift solenoid D (See SHIFT SOLENOID D INSPECTION [AY6A-EL] .) Shift solenoid E (See SHIFT SOLENOID E INSPECTION [AY6A-EL] .) Line pressure control solenoid (See LINE PRESSURE CONTROL SOLENOID INSPECTION [AY6A-EL] .) TCC control solenoid (See TORQUE CONVERTER CLUTCH (TCC) CONTROL SOLENOID INSPECTION [AY6A-EL] .) Shift solenoid F (See SHIFT SOLENOID F INSPECTION [AY6A-EL] .) Are they normal? | Yes | Go to the next step. |
| No | Inspect the coupler component. If normal, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 5 | VERIFY IF MALFUNCTION CAUSE IS TCM TERMINAL OR TRANSAXLE Inspect the ATF condition. (See AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION [AY6A-EL] .) Is the ATF condition normal? | Yes | Inspect the TCM terminal for bend, damage, corrosion or poor contact. |
| No | Replace the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 6 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | INSPECT GEAR POSITION INDICATOR LIGHT POSITION With the ignition at ON. Does the gear position indicator light indication correspond to the selector lever position? | Yes | Go to the next step. |
| No | Go to No.27 "GEAR POSITION INDICATOR LIGHT DOES NOT ILLUMINATE IN D OR M POSITION", or No.28 "GEAR POSITION INDICATOR LIGHT ILLUMINATE IN P, R OR N POSITION". | ||
| 2 | INSPECT TCM FOR POOR GROUND Disconnect the TCM. Is the resistance between the TCM ground terminal A9 and the body ground less than 5.0 ohms ? | Yes | Go to the next step. |
| No | Repair open ground circuit. | ||
| 3 | INSPECT PCM AND TCM INPUT SIGNALS FOR MALFUNCTION Perform the PID/DATA Monitor Record Procedure and access following PCM and TCM PIDs while the vehicle is in TCC operation condition. (See PCM INSPECTION [MZI 3.7 V6] .) (See ON-BOARD DIAGNOSTIC SYSTEM PID/DATA MONITOR INSPECTION [AY6A-EL] .) PCM PIDs: APP1 APP2 BOO CHT TCM PIDs: TCCC THOP TSS OSS Are they normal? | Yes | Go to the next step. |
| No | Repair or replace malfunctioning part according to inspection result. | ||
| 4 | INSPECT TCC SOLENOID FOR MALFUNCTION Inspect the TCC solenoid. (See TORQUE CONVERTER CLUTCH (TCC) CONTROL SOLENOID INSPECTION [AY6A-EL] .) Is the TCC solenoid normal? | Yes | Go to the next step. |
| No | Inspect the coupler component. If normal, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 5 | VERIFY IF MALFUNCTION CAUSE IS TORQUE CONVERTER OR TRANSAXLE (INCLUDING CONTROL VALVE BODY) Perform the stall test. (See MECHANICAL SYSTEM TEST [AY6A-EL] .) Is the stall speed within the specified? | Yes | Inspect the ATF condition. If large amount of metal specks are found, replace the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AY6A-EL] .) If a large amount of metal specks are not found, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) |
| No | Replace the torque converter. (See TORQUE CONVERTER REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 6 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | INSPECT LINE PRESSURE Is the line pressure normal? (See MECHANICAL SYSTEM TEST [AY6A-EL] .) | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts according to the inspection results. | ||
| 2 | VERIFY SHIFT POSITION Is shift point normal? (See ROAD TEST [AY6A-EL] .) | Yes | Go to the next step. |
| No | Go to No.9 "ABNORMAL SHIFTING". | ||
| 3 | INSPECT SHIFT SOLENOIDS CONTROL CIRCUIT FOR MALFUNCTION Inspect the coupler component for open or short. Are coupler component normal? | Yes | Go to the next step. |
| No | Replace the coupler component. | ||
| 4 | INSPECT SHIFT SOLENOIDS FOR MALFUNCTION Stop the engine. Inspect following solenoids. Shift solenoid C (See SHIFT SOLENOID C INSPECTION [AY6A-EL] .) Shift solenoid D (See SHIFT SOLENOID D INSPECTION [AY6A-EL] .) Shift solenoid E (See SHIFT SOLENOID E INSPECTION [AY6A-EL] .) Line pressure control solenoid (See LINE PRESSURE CONTROL SOLENOID INSPECTION [AY6A-EL] .) TCC control solenoid (See TORQUE CONVERTER CLUTCH (TCC) CONTROL SOLENOID INSPECTION [AY6A-EL] .) Shift solenoid F (See SHIFT SOLENOID F INSPECTION [AY6A-EL] .) Are they normal? | Yes | Go to the next step. |
| No | Replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 5 | VERIFY IF MALFUNCTION CAUSE IS TRANSAXLE (INCLUDING CONTROL VALVE BODY) OR ATF FLUID LEVEL Inspect the ATF condition. Are a metal specks found? | Yes | If large amount of metal specks are found, replace the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AY6A-EL] .) If a large amount of metal specks are not found, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) |
| No | Perform the "AUTOMATIC TRANSAXLE FLUID (ATF) LEVEL ADJUSTMENT" procedure. (See AUTOMATIC TRANSAXLE FLUID (ATF) LEVEL ADJUSTMENT [AY6A-EL] .) | ||
| 6 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | INSPECT TCM FOR POOR GROUND Disconnect the TCM. Is the resistance between the TCM ground terminal A9 and the body ground less than 5.0 ohms? | Yes | Go to the next step. |
| No | Repair open ground circuit. | ||
| 2 | INSPECT TCC SOLENOID FOR MALFUNCTION Inspect the TCC solenoid. (See TORQUE CONVERTER CLUTCH (TCC) CONTROL SOLENOID INSPECTION [AY6A-EL] .) Is the TCC solenoid normal? | Yes | Go to the next step. |
| No | Inspect the coupler component. If normal, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 3 | VERIFY IF MALFUNCTION CAUSE IS TORQUE CONVERTER OR OTHER Perform the stall test. (See MECHANICAL SYSTEM TEST [AY6A-EL] .) | Yes | Go to the next step. |
| No | Replace the torque converter. (See TORQUE CONVERTER REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 4 | VERIFY IF MALFUNCTION CAUSE IS TRANSAXLE (INCLUDING CONTROL VALVE BODY) OR ATF FLUID LEVEL Inspect the ATF condition. Are a metal specks found? | Yes | If large amount of metal specks are found, replace the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AY6A-EL] .) If a large amount of metal specks are not found, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) |
| No | Perform the "AUTOMATIC TRANSAXLE FLUID (ATF) LEVEL ADJUSTMENT" procedure. (See AUTOMATIC TRANSAXLE FLUID (ATF) LEVEL ADJUSTMENT [AY6A-EL] .) | ||
| 5 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | VERIFY MALFUNCTION CONDITION Does the shift shock occur only when the engine is cold? | Yes | Go to the next step. |
| No | Go to Step 3. | ||
| 2 | INSPECT TFT SENSOR AND RELATED CIRCUIT FOR MALFUNCTION Inspect the TFT sensor and related wiring harness: vibration, intermittent open/short circuit. (See TRANSAXLE FLUID TEMPERATURE (TFT) SENSOR INSPECTION [AY6A-EL] .) Is it normal? | Yes | Go to the next step. |
| No | Repair or replace part if necessary. | ||
| 3 | VERIFY IF MALFUNCTION CAUSE IS UN-EXECUTION OF INITIAL LEARNING PROCEDURE Perform the initial learning procedure. (See INITIAL LEARNING .) Does symptom eliminate? | Yes | Troubleshooting is completed. |
| No | Go to the next step. | ||
| 4 | INSPECT LINE PRESSURE Is the line pressure normal? (See MECHANICAL SYSTEM TEST [AY6A-EL] .) | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts according to the inspection results. | ||
| 5 | INSPECT STALL SPEED Is stall speed normal? (See MECHANICAL SYSTEM TEST [AY6A-EL] .) | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts according to the inspection results. | ||
| 6 | VERIFY IF MALFUNCTION CAUSE IS SHIFT SOLENOIDS OR OTHER Stop the engine. Inspect following solenoids. Line pressure control solenoid (See LINE PRESSURE CONTROL SOLENOID INSPECTION [AY6A-EL] .) Shift solenoid B (See SHIFT SOLENOID B INSPECTION [AY6A-EL] .) Shift solenoid C (See SHIFT SOLENOID C INSPECTION [AY6A-EL] .) Shift solenoid E (See SHIFT SOLENOID E INSPECTION [AY6A-EL] .) Are they normal? | Yes | Go to the next step. |
| No | Inspect the coupler component. If normal, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 7 | VERIFY IF MALFUNCTION CAUSE IS TRANSAXLE (INCLUDING CONTROL VALVE BODY) OR ATF FLUID LEVEL Inspect the ATF condition. Are a metal specks found? | Yes | If large amount of metal specks are found, replace the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AY6A-EL] .) If a large amount of metal specks are not found, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) |
| No | Perform the "AUTOMATIC TRANSAXLE FLUID (ATF) LEVEL ADJUSTMENT" procedure. (See AUTOMATIC TRANSAXLE FLUID (ATF) LEVEL ADJUSTMENT [AY6A-EL] .) | ||
| 8 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | INSPECT TCM FOR POOR GROUND Inspect for continuity between the TCM terminal A9 and battery negative terminal. Is there continuity? | Yes | Go to the next step. |
| No | Repair open ground circuit. | ||
| 2 | INSPECT TCM INPUT/OUTPUT SIGNALS FOR MALFUNCTION Perform the PID/DATA Monitor Record Procedure and access following PCM and TCM PIDs while excessive shift shock condition. (See PCM INSPECTION [MZI 3.7 V6] .) (See ON-BOARD DIAGNOSTIC SYSTEM PID/DATA MONITOR INSPECTION [AY6A-EL] .) PCM PIDs: APP1 APP2 TCM PIDs: SSF LPS TSS OSS Are they normal? | Yes | Go to the next step. |
| No | Repair or replace malfunctioning part according to inspection result. | ||
| 3 | VERIFY IF MALFUNCTION CAUSE IS SHIFT SOLENOIDS OR TRANSAXLE (INCLUDING CONTROL VALVE BODY) Stop the engine. Inspect the following solenoid. Shift solenoid C (See SHIFT SOLENOID C INSPECTION [AY6A-EL] .) Shift solenoid D (See SHIFT SOLENOID D INSPECTION [AY6A-EL] .) Shift solenoid E (See SHIFT SOLENOID E INSPECTION [AY6A-EL] .) Line pressure control solenoid (See LINE PRESSURE CONTROL SOLENOID INSPECTION [AY6A-EL] .) Are they normal? | Yes | Go to the next step. |
| No | Inspect the coupler component. If normal, replace the control valve body. (See TORQUE CONVERTER REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 4 | VERIFY IF MALFUNCTION CAUSE IS TRANSAXLE (INCLUDING CONTROL VALVE BODY) OR ATF FLUID LEVEL Inspect the ATF condition. Are a metal specks found? | Yes | If large amount of metal specks are found, replace the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AY6A-EL] .) If a large amount of metal specks are not found, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) |
| No | Perform the "AUTOMATIC TRANSAXLE FLUID (ATF) LEVEL ADJUSTMENT" procedure. (See AUTOMATIC TRANSAXLE FLUID (ATF) LEVEL ADJUSTMENT [AY6A-EL] .) | ||
| 5 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | VERIFY IF MALFUNCTION CAUSE IS ENGINE CONTROL SYSTEM OR POWERTRAIN INSTALLATION LOOSENESS Inspect engine condition. Is there any engine concern (e.g. Rough idle)? | Yes | Go to appropriate symptom troubleshooting. (See SYMPTOM DIAGNOSTIC INDEX [MZI 3.7 V6] .) |
| No | Inspect the following: Engine mount installation Transaxle installation Exhaust system installation Suspension installation Interference with drive train and body Repair or replace any malfunctioning parts according to the inspection result. | ||
| 2 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | INSPECT FOR TRANSAXLE SLIPPAGE MALFUNCTION Do the following symptoms occur concurrently? Engine flares up or slips during acceleration Engine flares up or slips when shifting | Yes | Go to No.14 "ENGINE FLARES UP OR SLIPS WHEN UPSHIFTING OR DOWNSHIFTING", or No.15 "ENGINE FLARES UP OR SLIPS WHEN ACCELERATING VEHICLE". |
| No | Go to the next step. | ||
| 2 | VERIFY IF MALFUNCTION CAUSE IS SHIFT SOLENOIDS OR TRANSAXLE (INCLUDING CONTROL VALVE BODY) Stop the engine. Inspect following solenoids. Shift solenoid A (See SHIFT SOLENOID A INSPECTION [AY6A-EL] .) Shift solenoid B (See SHIFT SOLENOID B INSPECTION [AY6A-EL] .) Are the normal? | Yes | Inspect the ATF condition. If large amount of metal specks are found, replace the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AY6A-EL] .) If a large amount of metal specks are not found, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) |
| No | Inspect the coupler component. If normal, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 3 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | INSPECT TFT SENSOR AND RELATED CIRCUIT FOR MALFUNCTION Inspect the TFT sensor and related wiring harness: vibration, intermittent open/short circuit (See TRANSAXLE FLUID TEMPERATURE (TFT) SENSOR INSPECTION [AY6A-EL] .) Is it normal? | Yes | Go to the next step. |
| No | Repair or replace part if necessary. | ||
| 2 | INSPECT LINE PRESSURE CONTROL SOLENOID FOR MALFUNCTION Inspect the line pressure control solenoid. (See LINE PRESSURE CONTROL SOLENOID INSPECTION [AY6A-EL] .) Is it normal? | Yes | Go to the next step. |
| No | Inspect the coupler component. If normal, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 3 | VERIFY IF MALFUNCTION CAUSE IS OIL COOLER PIPE OR TRANSAXLE Inspect for bending, damage, corrosion or kinks of the oil cooler pipes. Are oil cooler pipes normal? | Yes | Replace the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AY6A-EL] .) |
| No | Replace any malfunctioning parts. | ||
| 4 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | INSPECT ENGINE CONTROL SYSTEM FOR MALFUNCTION Go to symptom troubleshooting No.5 "ENGINE STALLS-AFTER START/AT IDLE". (See NO.5 ENGINE STALLS-AFTER START/AT IDLE [MZI 3.7 V6] .) Is the engine control system normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts according to the inspection results. | ||
| 2 | VERIFY IF MALFUNCTION CAUSE IS TOQUE CONVERTER OR TRANSAXLE (INCLUDING CONTROL VALVE BODY) Perform the stall test. (See MECHANICAL SYSTEM TEST [AY6A-EL] .) Is the stall speed within the specified? | Yes | Inspect for bending, damage, corrosion or kinks of the oil cooler pipes. If normal, replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [AY6A-EL] .) If problem remains, replace the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AY6A-EL] .) |
| No | Replace the torque converter. (See TORQUE CONVERTER REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 3 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | INSPECT ENGINE CONTROL SYSTEM FOR MALFUNCTION Go to symptom troubleshooting No.10 "LOW IDLE/STALLS DURING DECELERATION". (See NO.10 LOW IDLE/STALLS DURING DECELERATION [MZI 3.7 V6] .) Is the engine control system normal? | Yes | Go to No.24 "ENGINE STALLS WHEN SHIFTED TO D OR IN R POSITION". |
| No | Repair or replace any malfunctioning parts according to the inspection results. | ||
| 2 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | VERIFY IF MALFUNCTION CAUSE IS UN-EXECUTION OF N POSITION LEARNING PROCEDURE Perform the N position learning. (See TCM REMOVAL/INSTALLATION [AY6A-EL] .) Does the problem eliminate? | Yes | Troubleshooting is completed. If the other symptom occurs, go to applicable troubleshooting procedure. |
| No | Go to the next step. | ||
| 2 | VERIFY IF MALFUNCTION CAUSE IS TR SWITCH OR ENGINE CONTROL SYSTEM Inspect the TR switch. (See TRANSAXLE RANGE (TR) SWITCH INSPECTION [AY6A-EL] .) Is the TR switch normal? | Yes | Go to engine system troubleshooting No.3 "WILL NOT CRANK" troubleshooting procedure. |
| No | Replace the TR switch and perform initial learning procedure. (See NO.17 EXCESSIVE SHIFT SHOCK FROM N TO D OR N TO R POSITION [AY6A-EL] .) | ||
| 3 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | VERIFY IF MALFUNCTION CAUSE IS MULTIPLEX COMMUNICATION SYSTEM Retrieve any instrument cluster DTCs using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER] .) Are there any CAN communication DTCs displayed? | Yes | Go to appropriate the DTC inspection. (See DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM] .) |
| No | Go to the next step. | ||
| 2 | DETERMINE IF MALFUNCTION CAUSE IS M POSITION SWITCH SIGNAL OR INSTRUMENT CLUSTER Inspect the TCM PID MNL SW value using the M-MDS. (See ON-BOARD DIAGNOSTIC SYSTEM PID/DATA MONITOR INSPECTION [AY6A-EL] .) Is the PID value normal? | Yes | Go to Step 4. |
| No | Go to the next step. | ||
| 3 | VERIFY IF MALFUNCTION CAUSE IS M POSITION SWITCH OR M POSITION SWITCH RELATED WIRING HARNESS Inspect the M position switch. (See M POSITION SWITCH INSPECTION [AY6A-EL] .) Is the M position switch normal? | Yes | Inspect for open circuit in wiring harness between TCM terminal A7 and selector lever component terminal A. Repair or replace any malfunctioning part. |
| No | Replace the M position switch. (See M POSITION SWITCH REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 4 | INSPECT INSTRUMENT CLUSTER FOR MALFUNCTION Inspect the instrument cluster. (See INSTRUMENT CLUSTER INSPECTION .) Is instrument cluster normal? | Yes | Go to the next step. |
| No | Replace the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .) | ||
| 5 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | VERIFY IF MALFUNCTION CAUSE IS MULTIPLEX COMMUNICATION SYSTEM Retrieve any instrument cluster DTCs using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER] .) Are there any CAN communication DTCs displayed? | Yes | Go to appropriate the DTC inspection. (See DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM] .) |
| No | Go to the next step. | ||
| 2 | DETERMINE IF MALFUNCTION CAUSE IS M POSITION SWITCH SIGNAL OR INSTRUMENT CLUSTER Inspect the TCM PID MNL SW value using the M-MDS. (See ON-BOARD DIAGNOSTIC SYSTEM PID/DATA MONITOR INSPECTION [AY6A-EL] .) Is the PID value normal? | Yes | Go to Step 4. |
| No | Go to the next step. | ||
| 3 | VERIFY IF MALFUNCTION CAUSE IS M POSITION SWITCH OR M POSITION SWITCH RELATED WIRING HARNESS Inspect the M position switch. (See M POSITION SWITCH INSPECTION [AY6A-EL] .) Is the M position switch normal? | Yes | Inspect for open circuit in wiring harness between TCM terminal A7 and selector lever component terminal A. Repair or replace any malfunctioning part. |
| No | Replace the M position switch. (See M POSITION SWITCH REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 4 | INSPECT INSTRUMENT CLUSTER FOR MALFUNCTION Inspect the instrument cluster. (See INSTRUMENT CLUSTER INSPECTION .) Is instrument cluster normal? | Yes | Go to the next step. |
| No | Replace the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .) | ||
| 5 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | VERIFY IF MALFUNCTION CAUSE IS MULTIPLEX COMMUNICATION SYSTEM Retrieve any instrument cluster DTCs using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER] .) Are there any CAN communication DTCs displayed? | Yes | Go to appropriate the DTC inspection. (See DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM] .) |
| No | Go to the next step. | ||
| 2 | DETERMINE IF MALFUNCTION CAUSE IS M POSITION SWITCH OR UP SWITCH Shift the selector lever to M position. Verify that the gear position indicator light illumination. Does the gear position indicator light illuminate? | Yes | Go to the next step. |
| No | Go to No.27 "GEAR POSITION INDICATOR LIGHT DOES NOT ILLUMINATE IN D OR M POSITION". | ||
| 3 | VERIFY IF MALFUNCTION CAUSE IS UP SWITCH SIGNAL OR INSTRUMENT CLUSTER Access the TCM PID UP_SW using the M-MDS. (See ON-BOARD DIAGNOSTIC SYSTEM PID/DATA MONITOR INSPECTION [AY6A-EL] .) Monitor the UP_SW PID with move the selector lever to "+" with M position. Does the UP_SW PID indicate properly? | Yes | Inspect the instrument cluster. (See INSTRUMENT CLUSTER INSPECTION .) |
| No | Inspect the up switch. (See UP SWITCH INSPECTION [AY6A-EL] .) If the up switch is normal, inspect for continuity between the selector lever component terminal B and TCM terminal A3. | ||
| 4 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | VERIFY IF MALFUNCTION CAUSE IS MULTIPLEX COMMUNICATION SYSTEM Retrieve any instrument cluster DTCs using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER] .) Are there any CAN communication DTCs displayed? | Yes | Go to appropriate the DTC inspection. (See DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM] .) |
| No | Go to the next step. | ||
| 2 | DETERMINE IF MALFUNCTION CAUSE IS M POSITION SWITCH OR DOWN SWITCH Shift the selector lever to M position. Verify that the gear position indicator light illumination. Does the gear position indicator light illuminate? | Yes | Go to the next step. |
| No | Go to No.27 "GEAR POSITION INDICATOR LIGHT DOES NOT ILLUMINATE IN D OR M POSITION". | ||
| 3 | VERIFY IF MALFUNCTION CAUSE IS DOWN SWITCH SIGNAL OR INSTRUMENT CLUSTER Access the TCM PID DWN_SW using the M-MDS. (See ON-BOARD DIAGNOSTIC SYSTEM PID/DATA MONITOR INSPECTION [AY6A-EL] .) Monitor the DWN_SW PID with move the selector lever to "-" with M position. Does the DWN_SW PID indicate properly? | Yes | Inspect the instrument cluster. (See INSTRUMENT CLUSTER INSPECTION .) |
| No | Inspect the down switch. (See DOWN SWITCH INSPECTION [AY6A-EL] .) If the down switch is normal, inspect for continuity between the selector lever component terminal C and TCM terminal A4. | ||
| 4 | Verify test results. If normal, return to the diagnostic index to service any additional symptoms. If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | VERIFY IF MALFUNCTION CAUSE IS MULTIPLEX COMMUNICATION SYSTEM Retrieve any instrument cluster DTCs using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER] .) Are there any CAN communication DTCs displayed? | Yes | Go to appropriate the DTC inspection. (See DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM] .) |
| No | Go to the next step. | ||
| 2 | DETERMINE IF MALFUNCTION CAUSE IS M POSITION SWITCH SIGNAL OR INSTRUMENT CLUSTER Access the TCM PID MNL SW using the M-MDS. (See ON-BOARD DIAGNOSTIC SYSTEM PID/DATA MONITOR INSPECTION [AY6A-EL] .) Monitor the MNL SW PID with move the selector lever to all position. Does the MNL SW PID indicate properly? | Yes | Go to Step 4. |
| No | Go to the next step. | ||
| 3 | VERIFY IF MALFUNCTION CAUSE IS M POSITION SWITCH OR M POSITION SWITCH RELATED WIRING HARNESS Inspect the M position switch. (See M POSITION SWITCH INSPECTION [AY6A-EL] .) Is the M position switch normal? | Yes | Inspect for open circuit in wiring harness between TCM terminal A7 and selector lever component terminal A. Repair or replace any malfunctioning part. |
| No | Replace the M position switch. (See M POSITION SWITCH REMOVAL/INSTALLATION [AY6A-EL] .) | ||
| 4 | INSPECT INSTRUMENT CLUSTER FOR MALFUNCTION Inspect the instrument cluster. (See INSTRUMENT CLUSTER INSPECTION .) Is instrument cluster normal? | Yes | Go to the next step. |
| No | Replace the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .) | ||
| 5 | Verify the test results. If normal, return to the diagnostic index to service any additional symptoms. If the malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM. | ||