BASIC INSPECTION [FN4A-EL]
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Perform the mechanical system test. (See MECHANICAL SYSTEM TEST [FN4A-EL] .) Is the mechanical system normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts according to the inspection result. | ||
| 2 | Turn the ignition switch to the ON position. When the selector lever is moved, does the gear position indicator light indication correspond to the selector lever position? Also, when other ranges are selected from N or P during idling, does the vehicle move within 1-2 s? | Yes | Go to the next step. |
| No | Inspect the selector lever and TR switch. Repair or replace malfunctioning parts. (See SELECTOR LEVER INSPECTION .) (See TRANSAXLE RANGE (TR) SWITCH INSPECTION [FN4A-EL] .) If the selector lever and TR switch are normal, go to the next step. | ||
| 3 | Inspect the ATF color and condition. (See AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION [FN4A-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. | ||
| 4 | Perform the line pressure test. (See MECHANICAL SYSTEM TEST [FN4A-EL] .) Is the line pressure normal? | Yes | Go to the next step. |
| No | Adjust the accelerator cable if necessary. Repair or replace any malfunctioning parts according to the inspection result. | ||
| 5 | Perform the stall test. (See MECHANICAL SYSTEM TEST [FN4A-EL] .) Is the stall speed normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts according to the inspection result. | ||
| 6 | Inspect the voltage at the following PCM terminals. (See PCM INSPECTION [LF, L3] .) Terminal 2AC (1) , 1U (2) (TFT sensor) Terminal 1AH (1) , 1S (2) (TR switch) Terminal 1AO (1) , 1AG (1) , 1M (2) , 1Q (2) (Input/TSS) Terminal 1AF (1) , 1P (2) (Down switch) Terminal 1AJ (1) , 1K (2) (Up switch) Terminal 1AM (1) , 1O (2) (M range switch) Is the voltage normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts according to the inspection result. | ||
| 7 | Inspect the value at the following PCM PIDs using the M-MDS. (See PCM INSPECTION [LF, L3] .) B+ APP1 APP2 ECT RPM TP1 VSS 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. | ||
| (1) California emission regulation applicable model (2) Except for California emission regulation applicable model | |||
| (1) | California emission regulation applicable model |
| (2) | Except for California emission regulation applicable model |
INSPECTION CHART
SYMPTOM TROUBLESHOOTING ITEM TABLE [FN4A-EL]
- Use the chart below to verify the symptoms of the trouble in order to diagnose the appropriate area.
| No. | TROUBLESHOOTING ITEM | DESCRIPTION | PAGE |
|---|---|---|---|
| 1 | Vehicle does not move in D range, or in R position | Vehicle does not move when accelerator pedal is depressed. | (See NO.1 VEHICLE DOES NOT MOVE IN D RANGE, OR IN R POSITION [FN4A-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 [FN4A-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 range, 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 [FN4A-EL] ). |
| 4 | Excessive creep | Vehicle accelerates in D range, and R position when accelerator pedal is not depressed. | (See NO.4 EXCESSIVE CREEP [FN4A-EL] ). |
| 5 | No creep at all | Vehicle does not move in D range, or R position when idling on flat paved road. | (See NO.5 NO CREEP AT ALL [FN4A-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 [FN4A-EL] ). |
| 7 | No shifting | Single shift range only. Sometimes shifts correctly. | (See NO.7 NO SHIFTING [FN4A-EL] ). |
| 8 | Does not shift to 4GR | Vehicle does not upshift from 3GR to 4GR even though vehicle speed is increased. Vehicle does not shift to 4GR even though accelerator pedal is released in D range at 60 km/h {37 mph} . | (See NO.8 DOES NOT SHIFT TO 4GR [FN4A-EL] ). |
| 9 | Abnormal shifting | Shifts incorrectly (incorrect shift pattern). | (See NO.9 ABNORMAL SHIFTING [FN4A-EL] ). |
| 10 | Frequent shifting | Downshifting occurs suddenly even when accelerator pedal is depressed slightly in D range. | (See NO.10 FREQUENT SHIFTING [FN4A-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 [FN4A-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 [FN4A-EL] ). |
| 13 | No kickdown | Does not downshift when accelerator pedal is fully depressed within kickdown range. | (See NO.13 NO KICKDOWN [FN4A-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. | (See NO.14 ENGINE FLARES UP OR SLIPS WHEN UPSHIFTING OR DOWNSHIFTING [FN4A-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 [FN4A-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 [FN4A-EL] ). |
| 17 | Excessive shift shock from N to D or N to R position/range | Strong shock is felt when shifting from N to D or N to R position/range at idle. | (See NO.17 EXCESSIVE SHIFT SHOCK FROM N TO D OR N TO R POSITION/RANGE [FN4A-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 FELT WHEN UPSHIFTING AND DOWNSHIFTING [FN4A-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)[FN4A-EL] ). |
| 20 | Noise occurs at idle when vehicle is stopped in all positions/ranges | Transaxle is noisy in all positions and ranges when vehicle idling. | (See NO.20 NOISE OCCURS AT IDLE WHEN VEHICLE IS STOPPED IN ALL POSITIONS/RANGES [FN4A-EL] ). |
| 21 | Noise occurs at idle when vehicle is stopped in D range, 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 RANGE, OR IN R POSITION [FN4A-EL] ). |
| 22 | No engine braking in 1GR position of M range | Engine speed drops to idle but vehicle coasts when accelerator pedal is released when in M range (1GR) at low vehicle speed. | (See NO.22 NO ENGINE BRAKING IN 1GR POSITION OF M RANGE [FN4A-EL] ). |
| 23 | Transaxle overheats | Burnt smell emitted from the transaxle. Smoke is emitted from the transaxle. | (See NO.23 TRANSAXLE OVERHEATS [FN4A-EL] ). |
| 24 | Engine stalls when shifted to D range, or in R position | Engine stalls when shifting from N or P position to D range or R position at idle. | (See NO.24 ENGINE STALLS WHEN SHIFTED TO D RANGE, OR IN R POSITION [FN4A-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 SPEEDS OR STOPPING [FN4A-EL] ). |
| 26 | Starter does not work | Starter does not work even when in P or N position is selected. | (See NO.26 STARTER DOES NOT WORK [FN4A-EL] ). |
| 27 | Gear position indicator light does not illuminate in D or M range | Gear position indicator light in instrument cluster does not illuminate in D or M range with ignition switch at ON. | (See NO.27 GEAR POSITION INDICATOR LIGHT DOES NOT ILLUMINATE IN D OR M RANGE [FN4A-EL] ). |
| 28 | Gear position indicator light illuminate in P, R and N position | Gear position indicator light in instrument cluster illuminate in P, R and N position with ignition switch at ON. | (See NO.28 GEAR POSITION INDICATOR LIGHT ILLUMINATE IN P, R AND N POSITION [FN4A-EL] ). |
| 29 | Does not upshift in M range | 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 RANGE [FN4A-EL] ). |
| 30 | Does not downshift in M range | 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 RANGE [FN4A-EL] ). |
| 31 | M range position indicator light does not illuminate in M range/M range position indicator light illuminate in D range. | M range position indicator light in instrument cluster does not illuminate in M range or M range position indicator light illuminates in D range with the ignition switch in the ON position. | (See NO. 31 M RANGE POSITION INDICATOR LIGHT DOES NOT ILLUMINATE IN M RANGE/M RANGE POSITION INDICATOR LIGHT ILLUMINATE IN D RANGE [FN4A-EL] .) |
SYMPTOM TROUBLESHOOTING ITEM CHART
Scheme 978
![Scheme 978: QUICK DIAGNOSIS CHART [FN4A-EL]](https://i.diagnostdata.com/repair/72/72f8dbacee8de10f5f92afc8f50151d4e1d3d38056530d96273d520729ac7050.webp)
Scheme 979
Scheme 980
Diagnostic procedure
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | When the vehicle is stopped on a flat, level road and the engine is off, does the vehicle move when pushed? (in D range or N, R positions with the brake pedal released) | Yes | Go to the next step. |
| No | Inspect for parking mechanism. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) | ||
| 2 | Disconnect the PCM connector. Is the resistance between the ground terminals (1AZ, 1BB, 1BD, 1BH, 2BH (1) ) at the PCM connector and the body ground less than 5.0 ohms? | Yes | Go to the next step. |
| No | Repair open ground circuit. | ||
| 3 | Inspect the pressure control solenoid circuit. (See SOLENOID VALVE INSPECTION [FN4A-EL] .) Is it normal? | Yes | Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) If any problem remains, overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) |
| No | Repair or 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
| (1) California emission regulation applicable model | |||
| (1) | California emission regulation applicable model |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Does the vehicle creep when selector lever is moved slightly in N position? | Yes | Go to the next step. |
| No | Adjust the selector lever. (See SELECTOR CABLE ADJUSTMENT .) | ||
| 2 | Disconnect the PCM connector. Is the resistance between the ground terminals (1AZ, 1BB, 1BD, 1BH, 2BH (1) ) at the PCM connector and the body ground less than 5.0 ohms? | Yes | Go to the next step. |
| No | Repair open ground circuit. Reconnect the PCM. | ||
| 3 | Inspect the pressure control solenoid circuit. (See SOLENOID VALVE INSPECTION [FN4A-EL] .) Is it normal? | Yes | Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) If any problem remains, overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) |
| No | Repair or 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
| (1) California emission regulation applicable model | |||
| (1) | California emission regulation applicable model |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Does the vehicle creep in any range/position? | Yes | Go to the next step. |
| No | Inspect or adjust the selector lever. (See SELECTOR LEVER COMPONENT REMOVAL/INSTALLATION .) | ||
| 2 | Inspect the value at the following PCM PIDs using the M-MDS. (See PCM INSPECTION [LF, L3] .) APP1 APP2 TP1 Is the PID value normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts. | ||
| 3 | Disconnect the PCM connector. Is the resistance between the ground terminals (1AZ, 1BB, 1BD, 1BH, 2BH (1) ) at the PCM connector and the body ground less than 5.0 ohms? | Yes | Go to the next step. |
| No | Repair open ground circuit. | ||
| 4 | Inspect the pressure control solenoid circuit. (See SOLENOID VALVE INSPECTION [FN4A-EL] .) Is it normal? | Yes | Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) If any problem remains, overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) |
| No | Repair or replace any malfunctioning parts. | ||
| 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
| (1) California emission regulation applicable model | |||
| (1) | California emission regulation applicable model |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | With the ignition switch at the ON position, 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 M RANGE ", or No.30 " ." | ||
| 2 | Go to No. 12 "LACK/LOSS OF POWER-ACCELERATION/CRUISE". (See NO.12 LACK/LOSS OF POWER-ACCELERATION/CRUISE [LF, L3] .) Is the CIS system normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts. | ||
| 3 | Disconnect the transaxle connector. Does the vehicle operate as follows? D range: 3GR (fixed? R position: Reverse? | Yes | Go to the next step. |
| No | Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) If any problem remains, overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) | ||
| 4 | Drive the vehicle in D range. Does the vehicle start from stop in first gear? | Yes | Go to the next step. |
| No | Inspect the value at the following. See PCM INSPECTION [LF, L3] .) PCM PIDs (using the M-MDS): PP1 APP2 TP1 VSS PCM terminal voltage: 1AO (1) , 1AG (1) 1M (2) , 1Q (2) (input/TSS) 1S (TR switch) Repair or replace any malfunctioning parts. | ||
| 5 | Stop the engine. Inspect the shift solenoid A, B or C. (See SOLENOID VALVE INSPECTION [FN4A-EL] .) Are they normal? | Yes | Go to the next step. |
| No | Inspect for the shift solenoid mechanical stuck. If the shift solenoids normal, inspect for open or short circuit between the PCM connector terminals 1 A (1) . 1E (1) , 1AD (1) , 1B (2) , 1C (2) , 1D (2) and the control valve body terminals A, C or G. | ||
| 6 | Perform the stall test. (See MECHANICAL SYSTEM TEST [FN4A-EL] .) Is stall speed normal? | Yes | Reverify symptoms of malfunction. |
| No | Overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) | ||
| 7 | 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
| (1) California emission regulation applicable model (2) Except for California emission regulation applicable model | |||
| (1) | California emission regulation applicable model |
| (2) | Except for California emission regulation applicable model |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | With the ignition switch at the ON position, 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 M RANGE ", or No. 28 " GEAR POSITION INDICATOR LIGHT ILLUMINATE IN D RANGE ." | ||
| 2 | Inspect the voltage at the following PCM terminal. (See PCM INSPECTION [LF, L3] .) Terminal 1U (TFT sensor) Is the voltage normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts. | ||
| 3 | Inspect the shift solenoid A, B or D. (See SOLENOID VALVE INSPECTION [FN4A-EL] .) Are they normal? | Yes | Inspect for the shift solenoid mechanical stuck. If the shift solenoids normal, inspect for open or short circuit between the PCM connector terminals 1 A (1) .1E (1) , 1 AD (1) , 1B (2) , 1C (2) , 1D (2) and the control valve body terminals A, C or B. |
| No | Go to the next step. | ||
| 4 | Disconnect the PCM connector. Is the resistance between the ground terminals (1AZ, 1BB, 1BD, 1BH, 2BH (1) ) at the PCM connector and the body ground less than 5.0 ohms? | Yes | Inspect the value at the following PCM PID using the M-MDS.(See PCM INSPECTION [LF, L3] .) VSS Repair or replace any malfunctioning parts. |
| No | Repair open ground circuit. Reconnect the PCM. | ||
| 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
| (1) California emission regulation applicable model (2) Except for California emission regulation applicable model | |||
| (1) | California emission regulation applicable model |
| (2) | Except for California emission regulation applicable model |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Disconnect the PCM connector. Is the resistance between the ground terminals (1AZ, 1BB, 1BD, 1BH, 2BH (1) ) at the PCM connector and the body ground less than 5.0 ohms? | Yes | Go to the next step. |
| No | Repair open ground circuit. Reconnect the PCM. | ||
| 2 | Inspect the value at the following. (See PCM INSPECTION [LF, L3] .) PCM PIDs (using M-MDS): APP1 APP2 TP1 PCM terminal voltage: 1AO (1) , 1AG (1) , 1M (2) , 1Q (2) (Input/TSS) Are they normal? | Yes | Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) If any problem remains, overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) |
| No | Repair or replace any malfunctioning parts. | ||
| 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
| (1) California emission regulation applicable model (2) Except for California emission regulation applicable model | |||
| (1) | California emission regulation applicable model |
| (2) | Except for California emission regulation applicable model |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | With the ignition switch at the ON position, 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 M RANGE ", or No.28 " GEAR POSITION INDICATOR LIGHT ILLUMINATE IN D RANGE ." | ||
| 2 | Inspect the value at the following. (See PCM INSPECTION [LF, L3] .) PCM PIDs (using M-MDS): APP1 APP2 TP1 VSS PCM terminal voltage: 1AO (1) , 1AG (1) , 1M (2) , 1Q (2) (Input/TSS) Are they normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts. | ||
| 3 | Disconnect the PCM connector. Is the resistance between the ground terminals (1AZ, 1BB, 1BD, 1BH, 2BH (1) ) at the PCM connector and the body ground less than 5.0 ohms? | Yes | Go to the next step. |
| No | Repair the wiring harness. | ||
| 4 | Inspect the resistance between shift solenoid A and E circuit at the PCM connector and transaxle connector. Are the resistances less than 5.0 ohms? | Yes | Go to the next step. |
| No | Repair the shift solenoid A or E circuit. Reconnect the PCM. | ||
| 5 | Inspect the shift solenoid A and E. (See SOLENOID VALVE INSPECTION [FN4A-EL] .) Are the shift solenoids operating properly? | Yes | Replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) |
| No | Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) If any problem remains, overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
| (1) California emission regulation applicable model (2) Except for California emission regulation applicable model | |||
| (1) | California emission regulation applicable model |
| (2) | Except for California emission regulation applicable model |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Is shift point normal? | Yes | Go to the next step. |
| No | Go to No.9 " ABNORMAL SHIFTING ". | ||
| 2 | Inspect the value at the following PCM PIDs using the M-MDS. (See PCM INSPECTION [LF, L3] .) APP1 APP2 TP1 Are the PIDs values normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts. | ||
| 3 | Disconnect the PCM connector. Is the resistance between the ground terminals (1AZ, 1BB, 1BD, 1BH, 2BH (1) ) at the PCM connector and the body ground less than 5.0 ohms? | Yes | Go to the next step. |
| No | Repair the wiring harness. Reconnect the PCM. | ||
| 4 | Inspect the pressure control solenoid circuit. (See SOLENOID VALVE INSPECTION [FN4A-EL] .) Is it normal? | Yes | Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) If any problem remains, overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) |
| No | Repair or replace any malfunctioning parts. | ||
| 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
| (1) California emission regulation applicable model | |||
| (1) | California emission regulation applicable model |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Inspect the following PCM terminal voltage. (See PCM INSPECTION [LF, L3] .) 1AO (1) 1AG (1) , 1M (2) , 1Q (2) (Input/TSS) Are they normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts. | ||
| 2 | Disconnect the PCM connector. Is the resistance between the ground terminals (1AZ, 1BB, 1BD, 1BH, 2BH (1) ) at the PCM connector and the body ground less than 5.0 ohms? | Yes | Go to the next step. |
| No | Repair the wiring harness. | ||
| 3 | Inspect the resistance between shift solenoid A circuit terminal 1A (1) , 1B (2) at the PCM connector and terminal A at the transaxle connector. Are the resistance less than 5.0 ohms? | Yes | Go to the next step. |
| No | Repair the shift solenoid A circuit. | ||
| 4 | Inspect the shift solenoid. (See SOLENOID VALVE INSPECTION [FN4A-EL] .) Is the solenoid valve operating properly? | Yes | Go to the next step. |
| No | Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) If any problem remains, overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) .) | ||
| 5 | Inspect the pressure control solenoid circuit. (See SOLENOID VALVE INSPECTION [FN4A-EL] .) Is it normal? | Yes | Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) If any problem remains, overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) .) |
| No | Replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
| 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
| (1) California emission regulation applicable model (2) Except for California emission regulation applicable model | |||
| (1) | California emission regulation applicable model |
| (2) | Except for California emission regulation applicable model |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Does the shift shock occur only when the engine is cold? | Yes | Go to the next step. |
| No | Go to Step 3. | ||
| 2 | Disconnect the PCM connector. Is the resistance between the ground terminals (1AZ, 1BB, 1BD, 1BH, 2BH (1) ) at the PCM connector and the body ground less than 5.0 ohms? | Yes | Inspect the value at the following. (See PCM INSPECTION [LF, L3] .) PCM PIDs (using M-MDS): APP1 APP2 TP1 PCM terminal voltage: 2AC (1) , 1U (2) (TFT sensor) Repair or replace any malfunctioning parts. |
| No | Repair the wiring harness. Reconnect the PCM. | ||
| 3 | Perform the stall test. (See MECHANICAL SYSTEM TEST [FN4A-EL] .) Is stall speed normal? | Yes | Go to the next step. |
| No | Go to Step 5. | ||
| 4 | Inspect the voltage at the following PCM terminal. (See PCM INSPECTION [LF, L3] .) 1AH (1) , 1S (2) (TR switch) Is the voltage normal? | Yes | Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) If any problem remains, overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) |
| No | Repair or replace any malfunctioning parts. | ||
| 5 | Inspect the value at the following PCM PIDs using the M-MDS. (See PCM INSPECTION [LF, L3] .) APP1 APP2 TP1 Are the PIDs values normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts. | ||
| 6 | Disconnect the PCM connector. Is the resistance between the ground terminals (1AZ, 1BB, 1BD, 1BH, 2BH (1) ) at the PCM connector and the body ground less than 5.0 ohms? | Yes | Go to the next step. |
| No | Repair the wiring harness. Reconnect the PCM. | ||
| 7 | Inspect the pressure control solenoid circuit. (See SOLENOID VALVE INSPECTION [FN4A-EL] .) Is it normal? | Yes | Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) If any problem remains, overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) |
| No | Repair or replace any malfunctioning parts. | ||
| 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
| (1) California emission regulation applicable model (2) Except for California emission regulation applicable model | |||
| (1) | California emission regulation applicable model |
| (2) | Except for California emission regulation applicable model |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Perform the stall test. (See MECHANICAL SYSTEM TEST [FN4A-EL] .) Is the stall speed normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts. | ||
| 2 | Inspect the value at the following PCM PIDs using the M-MDS. (See PCM INSPECTION [LF, L3] .) APP1 APP2 TP1 Are the PIDs values normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts. | ||
| 3 | Disconnect the PCM connector. Is the resistance between the ground terminals (1AZ, 1BB, 1BD, 1BH, 2BH (1) ) at the PCM connector and the body ground less than 5.0 ohms? | Yes | Go to the next step. |
| No | Repair the wiring harness. Reconnect the PCM. | ||
| 4 | Inspect the pressure control solenoid circuit. (See SOLENOID VALVE INSPECTION [FN4A-EL] .) Is it normal? | Yes | Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) If any problem remains, overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) .) |
| No | Repair or replace any malfunctioning parts. | ||
| 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
| (1) California emission regulation applicable model | |||
| (1) | California emission regulation applicable model |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Inspect engine condition. Is there any engine concern (i. e. rough idle)? | Yes | Go to appropriate symptom troubleshooting. (See ENGINE SYMPTOM TROUBLESHOOTING [LF, L3] .) |
| No | Go to the next step. | ||
| 2 | Does the noise stop when the transaxle connector is disconnected? | Yes | Go to the next step. |
| No | Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) If any problem remains, overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) | ||
| 3 | Inspect the value at the following. (See PCM INSPECTION [LF, L3] .) PCM PIDs (using M-MDS): APP1 APP2 TP1 VSS PCM terminal voltage: 1AO (1) , 1AG (1) , 1M (2) , 1Q (2) (Input/TSS) Are they normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts. | ||
| 4 | Disconnect the PCM connector. Is the resistance between the ground terminals (1AZ, 1BB, 1BD, 1BH, 2BH (1) ) at the PCM connector and the body ground less than 5.0 ohms? | Yes | Go to the next step. |
| No | Repair the wiring harness. Reconnect the PCM. | ||
| 5 | Inspect the pressure control solenoid circuit. (See SOLENOID VALVE INSPECTION [FN4A-EL] .) Is it normal? | Yes | Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) If any problem remains, overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) |
| No | Repair or replace any malfunctioning parts. | ||
| 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
| (1) California emission regulation applicable model (2) Except for California emission regulation applicable model | |||
| (1) | California emission regulation applicable model |
| (2) | Except for California emission regulation applicable model |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Do the following symptoms occur concurrently? Engine flares up or slips during acceleration. Engine flares up or slips when shifting. | Yes | Go to symptom troubleshooting NO.14 " ENGINE FLARES UP OR SLIPS WHEN UPSHIFTING OR DOWNSHIFTING " or No.15 " ENGINE FLARES UP OR SLIPS WHEN ACCELERATING VEHICLE ". |
| No | Repeat basic inspection and repair or replace any malfunctioning parts according to the inspection result. (See BASIC INSPECTION [FN4A-EL] ). | ||
| 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Inspect for bending, damage, corrosion or kinks of the oil cooler pipes. Are oil cooler pipes normal? | Yes | Go to the next step. |
| No | Replace any malfunctioning parts. | ||
| 2 | Perform the stall test. (See MECHANICAL SYSTEM TEST [FN4A-EL] .) Is the stall speed normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts. | ||
| 3 | Inspect value at the following PCM PIDs using the M-MDS. (See PCM INSPECTION [LF, L3] .) APP1 APP2 TP1 Are the PID values normal? | Yes | Go to the next step. |
| No | Repair or replace any malfunctioning parts. | ||
| 4 | Disconnect the PCM connector. Is the resistance between the ground terminals (1AZ, 1BB, 1BD, 1BH, 2BH (1) ) at the PCM connector and the body ground less than 5.0 ohms? | Yes | Go to the next step. |
| No | Repair the wiring harness. Reconnect the PCM. | ||
| 5 | Inspect the pressure control solenoid circuit. (See SOLENOID VALVE INSPECTION [FN4A-EL] .) Is it normal? | Yes | Overhaul the control valve body and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) If any problem remains, overhaul the transaxle and repair or replace any malfunctioning parts. (See AUTOMATIC TRANSAXLE OVERHAUL (FN4A-EL) ) |
| No | Repair or replace any malfunctioning parts. | ||
| 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
| (1) California emission regulation applicable model | |||
| (1) | California emission regulation applicable model |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Go to symptom troubleshooting No. 10 "LOW IDLE/STALLS DURING DECELERATION". (See NO.10 LOW IDLE/STALLS DURING DECELERATION [LF, L3] .) Is the engine control system normal? | Yes | Repeat the basic inspection and repair or replace any malfunctioning parts according to the inspection result. (See BASIC INSPECTION [FN4A-EL] ). |
| 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Go to symptom troubleshooting No. 10 "LOW IDLE/STALLS DURING DECELERATION". (See NO.10 LOW IDLE/STALLS DURING DECELERATION [LF, L3] .) 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 | Go to symptom troubleshooting No.5 "ENGINE STALLS-AFTER START/AT IDLE". (See NO.5 ENGINE STALLS-AFTER START/AT IDLE [LF, L3] .) Is the engine control system normal? | Yes | Repeat the basic inspection and repair or replace any malfunctioning parts according to the inspection result. (See BASIC INSPECTION [FN4A-EL] ). |
| No | Repair or replace any malfunctioning parts according to the inspection results. | ||
| 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | With the ignition switch at ON, When selector lever is moved, does selector illumination indicate synchronized position to lever location? | Yes | Go to the next step. |
| No | Check value at the following. PCM terminal voltage: 1AH (1) , 1S (2) (TR switch) Repair or replace any defective parts. | ||
| 2 | Inspect the voltage at PCM terminal 1 AN (1) , 1O (2) (M range switch). (See PCM INSPECTION [LF, L3] .) Is voltage normal? | Yes | Go to the next step. |
| No | Repair or replace any defective part. | ||
| 3 | Inspect the instrument cluster. (See INSTRUMENT CLUSTER INSPECTION .) Is instrument cluster normal? | Yes | Go to the next step. |
| No | Repair or replace any defective part. | ||
| 4 | Disconnect the PCM and instrument cluster connector. Turn the ignition switch off. Check continuity between the following circuits: PCM terminal 1AM and body GND PCM terminal 1AI and body GND Instrument cluster terminal 1W and body GND Instrument cluster terminal 1X and body GND Is there continuity? | Yes | Repair or replace harness for short to GND, then go to the next step. |
| No | Go to the next step. | ||
| 5 | Disconnect the PCM and instrument cluster connector. Turn the ignition switch off. Check continuity between the following circuits: PCM terminal 1AM and instrument cluster terminal 1W PCM terminal 1AI and instrument cluster terminal 1X Is there continuity? | Yes | Go to the next step. |
| No | Repair or replace harness for open circuit, then go to the next step. | ||
| 6 | 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 PCM. | ||
| (1) California emission regulation applicable model. (2) Except for California emission regulation applicable model. | |||
| (1) | California emission regulation applicable model. |
| (2) | Except for California emission regulation applicable model. |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | With the ignition switch at ON, When selector lever is moved, does selector illumination indicate synchronized position to lever location? | Yes | Go to the next step. |
| No | Check value at the following. PCM terminal voltage: 1AH (1) , 1S (2) (TR switch) Repair or replace any defective parts. | ||
| 2 | Inspect the voltage at PCM terminal 1 AN (1) , 10 (2) (M range switch). (See PCM INSPECTION [LF, L3] .) Is voltage normal? | Yes | Go to the next step. |
| No | Repair or replace any defective part. | ||
| 3 | Inspect the instrument cluster. (See INSTRUMENT CLUSTER INSPECTION .) Is instrument cluster normal? | Yes | Go to the next step. |
| No | Repair or replace any defective part. | ||
| 4 | Disconnect the PCM and instrument cluster connector. Turn the ignition switch off. Check continuity between the following circuits: PCM terminal 1AM and body GND PCM terminal 1AI and body GND Instrument cluster terminal 1W and body GND Instrument cluster terminal 1X and body GND Is there continuity? | Yes | Repair or replace harness for short to GND, then go to the next step. |
| No | Go to the next step. | ||
| 5 | Disconnect the PCM and instrument cluster connector. Turn the ignition switch off. Check continuity between the following circuits: PCM terminal 1AM and instrument cluster terminal 1W PCM terminal 1AI and instrument cluster terminal 1X Is there continuity? | Yes | Go to the next step. |
| No | Repair or replace harness for open circuit, then go to the next step. | ||
| 6 | 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 PCM. | ||
| (1) California emission regulation applicable model. (2) Except for California emission regulation applicable model. | |||
| (1) | California emission regulation applicable model. |
| (2) | Except for California emission regulation applicable model. |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Inspect the voltage at the PCM terminal 1AJ (1) , 1K (2) . (See PCM INSPECTION [LF, L3] .) Is the voltage normal? | Yes | Inspect the instrument cluster. |
| No | Inspect the up switch. If the up switch is normal, inspect for continuity between the up switch and PCM terminal 1AJ (1) , 1K (2) . | ||
| 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
| (1) California emission regulation applicable model (2) Except for California emission regulation applicable model | |||
| (1) | California emission regulation applicable model |
| (2) | Except for California emission regulation applicable model |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Inspect the voltage at the PCM terminal 1AF (1) , 1P (2) . (See PCM INSPECTION [LF, L3] .) Is the voltage normal? | Yes | Inspect the instrument cluster. |
| No | Inspect the down switch. If the down switch is normal, inspect for continuity between the down switch and PCM terminal 1AF (1) , 1P (2) . | ||
| 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 is completed. If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [LF, L3] .) | ||
| (1) California emission regulation applicable model (2) Except for California emission regulation applicable model | |||
| (1) | California emission regulation applicable model |
| (2) | Except for California emission regulation applicable model |
DIAGNOSTIC PROCEDURE
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
| 1 | Access the PCM PID MNL SW using the M-MDS. (See PCM INSPECTION [LF, L3] .) Monitor the MNL SW PID by moving the selector lever to all positions and ranges. Does the PID indicate properly? | Yes | Inspect the instrument cluster using the input/output test mode. (See INSTRUMENT CLUSTER INSPECTION .) |
| No | Inspect the M range switch. (See SELECTOR LEVER COMPONENT INSPECTION .) If the M range switch is normal, inspect and repair wiring harness between manual switch terminal A and PCM terminal 1AN (1) , 1O (2) . | ||
| 2 | Verify 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 PCM. | ||
DIAGNOSTIC PROCEDURE
(1) : California emission regulation applicable model
(2) : Except for California emission regulation applicable model