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2 CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor harness connector.
2. Turn ignition switch “ON”.
SEC081D
3. Check voltage between APP sensor terminal 4 and ground with CONSULT-II or tester.
SEC094D
Voltage: Approximately 2.5V
OK or NG
OK © GO TO 4.
NG © GO TO 3.
3 DETECT MALFUNCTIONING PART
Check the following.
I Harness connectors M162, F55
I Harness for open or short between ECM and accelerator pedal position sensor
© Repair open circuit or short to ground or short to power in harness or connectors.
4 CHECK APP SENSOR 2 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Check harness continuity between APP sensor terminal 1 and engine ground.
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 © GO TO 5.
5 DETECT MALFUNCTIONING PART
Check the following.
I Harness connectors M161, F68
I Harness for open or short between ECM and accelerator pedal position sensor
© Repair open circuit or short to ground or short to power in harness or connectors.
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1227, P1228 APP SENSOR
Diagnostic Procedure (Cont’d)
EC-565
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