Dtc P1614 (P0560) Sensor Supply Function - Suzuki Grand Vitara XL-7 Service Manual

DTC P1614 (P0560) SENSOR SUPPLY FUNCTION

WIRING DIAGRAM
DTC CONFIRMATION PROCEDURE
1) Connect scan tool to DLC with ignition switch OFF.
2) Turn ON ignition switch and clear DTC, pending DTC and freeze frame data by using scan tool.
3) Check DTC and pending DTC by using scan tool.
TROUBLESHOOTING
STEP
1 Was "ENGINE DIAG. FLOW TABLE" performed?
2 Check TP Sensor Circuit
1) Disconnect connector from TP sensor with
ignition switch turned OFF.
2) Turn ON ignition switch.
3) Check voltage between "LT GRN" wire terminal in
TP sensor harness connector and vehicle body
ground.
Is voltage about 5.1 V to 4.88 V?
3 Check TP Sensor Circuit
1) Connect connector to TP sensor with ignition
switch turned OFF.
2) Turn ON ignition switch.
3) Check voltage between "E227-23" terminal wire
in ECM harness connector and vehicle body
ground.
Is voltage about 5.1 V to 4.88 V?
ENGINE DIAGNOSIS (RHZ ENGINE WITH TRIPLE-CONNECTOR ECM) 6-1-45
ACTION YES
Go to Step 2.
Go to Step 3.
Go to Step 4.
1. Throttle position sensor
2. Fuel pressure sensor
3. Intake air pressure sensor
4. Camshaft position sensor
5. ECM
NO
Go to "ENGINE DIAG.
FLOW TABLE".
"LT GRN" wire shorted
to other circuits.
If wire are OK,
substitute a known-
good ECM and
recheck.
Faulty TP sensor.