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5 CHECK THROTTLE POSITION SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Check harness continuity between ECM terminal 83 and electric throttle control actuator terminal 4. Refer to Wiring Diagram. Continuity should exist. 2. Also check harness for short to ground and short to power. OK or NG OK © GO TO 6. NG © Repair open circuit or short to ground or short to power in harness or connectors. 6 CHECK THROTTLE POSITION SENSOR Refer to “Component Inspection”, EC-301. OK or NG OK © GO TO 8. NG © GO TO 7. 7 REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR 1. Replace the electric throttle control actuator. © INSPECTION END 8 CHECK INTERMITTENT INCIDENT Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-152. © INSPECTION END SEC900C Component Inspection NHEC1378 THROTTLE POSITION SENSOR Reconnect all harness connectors disconnected. 2. Perform “Throttle Valve Closed Position Learning”, EC-70. 3. Turn ignition switch ON. 4. Set selector lever to D position. 5. Check voltage between ECM terminals 83 (TP sensor 1), 84 Terminal Accelerator pedal Voltage 83 Fully released More than 0.36V Fully depressed Less than 4.75V 84 Fully released Less than 4.75V Fully depressed More than 0.36V 6. If NG, replace electric throttle control actuator and go to the 7. Perform “Throttle Valve Closed Position Learning”, EC-70. 8. Perform “Idle Air Volume Learning”, EC-70. GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX DTC P0222, P0223 TP SENSOR Diagnostic Procedure (Cont’d) EC-301 |