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ECK-288 < DTC/CIRCUIT DIAGNOSIS > [K9K] P0806 CLUTCH SWITCH 3. Check the continuity between clutch pedal position switch harness connector and ground. 4. Also check harness for short to power. Is the inspection result normal? YES >> GO TO 4. NO >> Repair open circuit or short to power in harness or connectors. 4. CHECK CLUTCH PEDAL POSITION SWITCH INPUT SIGNAL CIRCUIT 1. Disconnect ECM harness connector. 2. Check the continuity between clutch pedal position switch harness connector and ECM harness connec- 3. Also check harness for short to ground and to power. Is the inspection result normal? YES >> GO TO 5. NO >> Repair or replace error-detected parts. 5. CHECK CLUTCH PEDAL POSITION SWITCH Check clutch pedal position switch. Refer to ECK-289, "Component Inspection (Clutch Pedal Position Switch)" . Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-41, "Intermittent Incident" . NO >> Replace error-detected parts. 6. CHECK CLUTCH INTERLOCK SWITCH POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect clutch interlock switch harness connector. 3. Turn ignition switch ON. 4. Check the voltage between clutch interlock switch harness connector and ground. Is the inspection result normal? YES >> GO TO 7. NO >> Perform the trouble diagnosis for power supply circuit. 7. CHECK CLUTCH INTERLOCK SWITCH INPUT SIGNAL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check the continuity between clutch interlock switch harness connector and ECM harness connector. + − Continuity Clutch pedal position switch Connector Terminal E2 2 Ground Existed + − Continuity Clutch pedal position switch ECM Connector Terminal Connector Terminal E2 1 E59 9 Existed + − Voltage (Approx.) Clutch interlock switch Connector Terminal E52 1 Ground Battery voltage |