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P1564 ASCD STEERING SWITCH EC-897 < COMPONENT DIAGNOSIS > [QR25DE EXCEPT FOR CALIFORNIA] C D E F G H I J K L M A EC N P O 2. Select “MAIN SW”, “CANCEL SW”, “RESUME/ACC SW” and “SET SW” in “DATA MONITOR” mode with CONSULT-III. 3. Check each item indication under the following conditions. Without CONSULT-III 1. Turn ignition switch ON. 2. Check the voltage between ECM harness connector and ground. Is the inspection result normal? YES >> GO TO 8. NO >> GO TO 3. 3. CHECK ASCD STEERING SWITCH GROUND CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Disconnect combination switch harness connector M88. 4. Check the continuity between combination switch and ECM harness connector. 5. Also check harness for short to ground and short to power. YES >> GO TO 5. NO >> GO TO 4. 4. DETECT MALFUNCTIONING PART Check the following. • Harness connectors M1, E30 • Combination switch (spiral cable) • Harness for open and short between ECM and combination switch Monitor item Condition Indication MAIN SW MAIN switch Pressed ON Released OFF CANCEL SW CANCEL switch Pressed ON Released OFF RESUME/ACC SW RESUME/ACCELERATE switch Pressed ON Released OFF SET SW SET/COAST switch Pressed ON Released OFF ECM Ground Condition Voltage Connector Terminal E10 85 (ASCD steering switch signal) Ground MAIN switch: Pressed Approx. 0V CANCEL switch: Pressed Approx. 1V SET/COAST switch: Pressed Approx. 2V RESUME/ACCELERATE Approx. 3V All ASCD steering switches: Approx. 4V PBIB3600E Combination switch ECM Continuity Terminal Connector Terminal 16 E10 92 Existed |