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EC-722
[QR (WITHOUT EURO-OBD)]
DTC P1229 SENSOR POWER SUPPLY
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
Diagnostic Procedure EBS01120
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body.
Refer to EC-578, "
Ground Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Repair or replace ground connections.
TER-
MINAL
NO.
WIRE
COLOR
ITEM CONDITION DATA (DC Voltage)
46 R
Sensor power supply
(Refrigerant pressure
sensor)
[Ignition switch: ON] Approximately 5V
65 R
Sensor power supply
(Power steering pres-
sure sensor)
[Ignition switch: ON] Approximately 5V
90 R
Sensor power supply
(Accelerator pedal posi-
tion sensor 1)
[Ignition switch: ON] Approximately 5V
PBIB2021E
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