Inspection Procedure 2: Engine Does not Start
COMMENTS ON TROUBLE SYMPTOM
If the engine does not start when the selector lever is in P or N position, the cause is probably a malfunction of inhibitor switch system, transmission control cable, engine system, torque converter or oil pump.
PROBABLE CAUSES
- Malfunction of inhibitor switch
- Malfunction of transmission control cable
- Malfunction of engine system
- Malfunction of torque converter
- Malfunction of oil pump
- Malfunction of the A/T-ECU <4M4>
- Malfunction of the engine-A/T-ECU <6G7>
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STEP 1. M.U.T.-III diagnosis code
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Either of diagnosis codes P1770 (P0705) or P1771 (P0705) is set, inhibitor switch is defective.
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Q.
Are diagnosis codes P1770 (P0705) or P1771 (P0705) set?
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YES diagnosis code P1770 (P0705) is set : Refer to diagnosis code P1770 (P0705): Inhibitor switch system  .
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YES diagnosis code P1771 (P0705) is set : Refer to diagnosis code P1771 (P0705): Inhibitor switch system .
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 Go to Step 2.
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STEP 2. Transmission control cable check
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Check the transmission control cable and inhibitor switch for installation condition.
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Q.
Is the check result normal?
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 Go to Step 3.
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Adjust the positions of the transmission control cable and inhibitor switch (Refer to ).
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STEP 3. Engine system check
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Q.
Is the check result normal?
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Go to Step 4.
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Repair the engine system.
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STEP 4. A/T-ECU <4M4> or engine-A/T-ECU <6G7> replacement
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(1)Replace the A/T-ECU <4M4> or engine-A/T-ECU <6G7>.
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(2)Test drive the vehicle.
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(3)Verify that the condition described by the customer exists.
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Q.
Does a malfunction take place again?
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Go to Step 5.
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The inspection is complete.
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STEP 5. Torque converter check
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Check for damaged drive plate, incorrect installation in the input shaft (inserted at an angle) or damaged splines.
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Q.
Is the check result normal?
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Check the oil pump for incorrect installation, damage and etc., and replace the oil pump assembly if necessary (The oil pump cannot be disassembled).
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If repair is possible, repair the damaged part. If repair is not possible because the splines on the drive plate or torque converter are damaged, replace it.
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