Code No.P1771 (P0705): Inhibitor switch system
INHIBITOR SWITCH SYSTEM CIRCUIT
OPERATION
DIAGNOSIS CODE SET CONDITIONS
PROBABLE CAUSES
- Malfunction of the inhibitor switch
- Damaged harness wires and connectors
- Malfunction of the engine-A/T-ECU
DIAGNOSIS PROCEDURE |
STEP 1. Check the inhibitor switch. |
| Refer to . |
Q.
Is the check result normal?
|
 Go to Step 2. |
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 Replace the inhibitor switch. |
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STEP 2. Connector check: C-05 Inhibitor switch connector, D-225 intermediate connector, D-216 engine-A/T-ECU connector |
| Check for the contact with terminals. |
Q.
Is the check result normal?
|
| Go to Step 3. |
|
| Repair the defective connector. |
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STEP 3. Check the harness between inhibitor switch connector C-05 terminal No.3, 2, 8, 1 and engine-A/T-ECU connector D-216 terminal No.76, 75, 67, 66. |
| Check the output line for open circuit and short circuit. |
Q.
Is the check result normal?
|
| Go to Step 4. |
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| Repair the wiring harness. |
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STEP 4. M.U.T.-III data list |
| Item 34: Inhibitor switch (Refer to data list reference table ). |
Q.
Is the check result normal?
|
| Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ). |
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| Replace the engine-A/T-ECU. |
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