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MANUAL TRANSMISSION - Troubleshooting <ACD> 22A-27 Code No.63 Parking brake switch system Probable cause Code No.63 is output when the parking brake switch is ON for more than 15 minutes with the vehicle speed above 15 km/h. D Parking brake switch fault D Harness or connector fault D ABS-ECU fault <Vehicles with ACD and AYC> D 4WD-ECU fault OK NG YES NG (3) OK (1) OK Replace the hydraulic unit and ABS-ECU. MUT-II Data List No.62 Parking brake switch (1) Pull the parking brake lever. OK: ON (2) Release the parking brake lever. OK: OFF OK→Intermittent malfunction (Refer to GROUP 00 - Points to Note for Intermittent Malfunctions) Measure at parking brake switch connector D-23. Disconnect the connector and measure at the harness side. D Ignition switch: ON D Voltage between terminal 1 and earth OK: System voltage Release the parking brake lever. Does the brake warning lamp go off? OK Check the following connector: D-23 NG→Repair OK Replace the combination meter OK Check the brake warning bulb. NG→Replace Check the parking brake switch. (Refer to GROUP 36 - On-vehicle Service.) NG→Replace OK Check and adjust the parking brake lever stroke. (Refer to GROUP 36 - On-vehicle Service.) NG→Adjust MUT-II Data List No.62 Parking brake switch (1) Pull the parking brake lever. OK: ON (2) Release the parking brake lever. OK: OFF NG→Replace the 4WD-ECU. OK→Intermittent malfunction (Refer to GROUP 00 - Points to Note for Intermittent Malfunctions) NO OK Check the following connectors: <L.H. drive vehicles> C-43, C-26, C-130 <R.H. drive vehicles> C-43, C-26 NG→Repair Check the following connectors: <L.H. drive vehicles with ACD and AYC> D-23, C-26, C-130, C-43, C-02, B-123 <R.H. drive vehicles with ACD and AYC> D-23, C-26, C-43, C-02, B-123 <L.H. drive vehicles with ACD> D-23, C-26, C-130, C-43, C-02 <R.H. drive vehicles with ACD> D-23, C-26, C-43, C-02 NG→Repair (2) OK (1) Check the harness between the parking brake switch and 4WD-ECU. D Check for ground and dam- age of the power line. (2) Check the harness between the parking brake switch and combination meter. D Check for ground and dam- age of the power line. (3) Check the harness between the parking brake switch and ABS-ECU. <Vehicles with ACD and AYC> D Check for ground and dam- age of the power line. NG→Repair OK Check the harness between the J/C (4) and 4WD-ECU. Check for open and damage of the power line. NG→Repair |