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ON-BOARD DIAGNOSTIC 04-02–27 04-02 End Of Sie DTC C1288, C1290, C1953 id040200801800 Diagnostic procedure End Of Sie 10 INSPECT TEST SIGNAL FOR SHORT TO • Turn the ignition switch off. • Inspect for continuity between DSC HU/CM terminal AB (harness-side) and ground. • Is there continuity? Yes Repair or replace the wiring harness for short to ground No Go to the next step. 11 INSPECT COMBINED SENSOR • Inspect the combined sensor. (See 04-15-16 COMBINED SENSOR • Is the combined sensor normal? Yes Go to the next step. No Replace the combined sensor, then go to the next step. 12 VERIFY DTC TROUBLESHOOTING • Clear the DTC from the memory. (See 04-02-3 ON-BOARD DIAGNOSIS.) • Are the same DTCs present? Yes Replace the DSC HU/CM, then go to the next step. No Go to the next step. 13 VERIFY AFTER REPAIR PROCEDURE. • Are any other DTCs present? Yes Go to the applicable DTC inspection. No DTC troubleshooting completed. STEP INSPECTION ACTION DTC C1288, C1290, C1953 Brake fluid pressure sensor system DETECTION CONDITION • C1288 — The pressure from the brake fluid pressure sensor when the system starts up is not within specification. • C1290 — The standard brake fluid pressure calculated in the DSC HU/CM when not braking exceeds the specification. • C1953 — The output voltage from the brake fluid pressure sensor is not within specification. POSSIBLE CAUSE • Open or short circuit in the brake fluid pressure sensor circuit in the DSC HU/CM • Malfunction in the brake fluid pressure sensor STEP INSPECTION ACTION 1 VERIFY NO ABNORMALITY ON BRAKE • Clear the DTCs from the memory. (See 04-02-3 ON-BOARD DIAGNOSIS.) • Start the engine and drive the vehicle at 10 km/h {6.2 mph} or more. • Are the same DTCs present? Yes Replace the DSC HU/CM, then go to the next step. No Go to the next step. 2 VERIFY THAT NO OTHER DTCS ARE • Are any other DTCs output? Yes Go to the applicable DTC inspection. No DTC troubleshooting completed. 1871-1U-06B(04-02).fm 27 ページ 2006年3月15日 水曜日 午前11時12分 |