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5 CHECK THROTTLE POSITION SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 83 and electric throttle control actuator terminal 4.
Refer to Wiring Diagram.
Continuity should exist.
3. 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-302.
OK or NG
OK © GO TO 8.
NG © GO TO 7.
7 REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace the electric throttle control actuator.
2. Perform “Throttle Valve Closed Position Learning”, EC-71.
3. Perform “Idle Air Volume Learning”, EC-71.
© INSPECTION END
8 CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-156.
© INSPECTION END
SEC900C
Component Inspection
NFEC1378
THROTTLE POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Perform “Throttle Valve Closed Position Learning”, EC-71.
3. Turn ignition switch “ON”.
4. Set selector lever to “D” position (A/T models) or “1st” position
(M/T models).
5. Check voltage between ECM terminals 83 (TP sensor 1), 84
(TP sensor 2) and engine ground under the following condi-
tions.
Terminal Accelerator pedal Voltage
83
(Throttle position sensor
1)
Fully released More than 0.36V
Fully depressed Less than 4.75V
84
(Throttle position sensor
2)
Fully released Less than 4.75V
Fully depressed More than 0.36V
6. If NG, replace electric throttle control actuator and go to the
next step.
7. Perform “Throttle Valve Closed Position Learning”, EC-71.
DTC P0222, P0223 TP SENSOR
Diagnostic Procedure (Cont’d)
EC-302
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