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EC-658
[QR (WITHOUT EURO-OBD)]
DTC P0550 PSP SENSOR
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 EBS01106
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten ground three 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)
12 P
Power steering pressure
sensor
[Engine is running]
● Steering wheel is being turned
0.5 - 4.0V
[Engine is running]
● Steering wheel is not being turned
0.4 - 0.8V
57 B
Sensor ground
(Intake air temperature
sensor/Power steering
pressure sensor/Refrig-
erant pressure sensor)
[Engine is running]
● Warm-up condition
● Idle speed
Approximately 0V
65 R
Sensor power supply
(Power steering pres-
sure sensor)
[Ignition switch: ON] Approximately 5V
PBIB2021E
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