Inspection Procedure 1
INSPECTION PROCEDURE 1: Engine does not StartCOMMENT
If the engine does not start when the selector lever is in "P" or "N" position, the cause is probably a malfunction of Park/Neutral position switch system, transaxle control cable assembly, engine system, torque converter or oil pump.
TROUBLESHOOTING HINTS (The most likely causes for this case:)
^ Malfunction of the Park/Neutral position switch
^ Malfunction of the transaxle control cable assembly
^ Malfunction of the engine system
^ Malfunction of the torque converter
^ Malfunction of the oil pump
^ Malfunction of the PCM
DIAGNOSIS
Required Special Tool: MB991502: Scan Tool (MUT-II)
STEP 1. Using scan tool MB991502, read the A/T diagnostic trouble code.
CAUTION; To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991502.
1. Connect scan tool MB991502 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Read the A/T diagnostic trouble code.
4. Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is A/T diagnostic trouble code numbers "27" or "28" displayed?
YES: Refer to code number 27, 28: Park/Neutral Position Switch System
NO: Go to Step 2.
STEP 2. Check the transaxle control cable assembly.
Move the selector lever to each position, and check if the manual control lever position of the Park/Neutral position switch corresponds to the selector lever position.
Q: Is the manual control lever position correct?
YES: Go to Step 3.
NO: Repair the transaxle control cable.
STEP 3. Check the engine.
Q: Is the inspection result good?
YES: Go to Step 4.
NO: Repair or replace the appropriate engine components.
STEP 4. Check the torque converter.
1. Remove the transaxle.
2. Check the torque convener for installation condition (whether installed in a slanted direction or not), its spline or its teeth for damage.
Q: Is the torque converter in good condition?
YES: Go to Step 5.
NO: Repair or replace it.
STEP 5. Replace the oil pump.
Replace the oil pump (Oil pump cannot be repaired). Confirm that the malfunction symptom is eliminated.
Q: Is the symptom eliminated?
YES: Diagnosis is complete.
NO: Go to Step 6.
STEP 6. Replace the PCM.
Q: Is the symptom eliminated?
YES: Diagnosis is complete.
NO: Start over at Step 1.