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

6-66 ENGINE DIAGNOSIS (RHZ ENGINE WITH SINGLE-CONNECTOR ECM)

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 flame 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 "LT GRN" Circuit Check
1) Disconnect connector at intake air pressure
sensor.
2) Check voltage between "LT GRN" wire terminal of
connector and ground with ignition switch ON.
Is it 5.1 V or more?
3 Is it 4.88 V or less?
4 "BRN/YEL" Circuit Check
1) Disconnect connector at camshaft position
sensor.
2) Check voltage between "BRN/YEL" wire terminal
of connector and ground with ignition switch ON.
Is it 5.1 V or more?
5 Is it 4.88 V or less?
ACTION YES
Go to Step 2.
"LT GRN" wire short to
battery.
"LT GRN" wire short to
ground.
"BRN/YEL" wire short
to battery.
"BRN/YEL" wire short
to ground.
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".
Go to Step 3.
Go to Step 4.
Go to Step 5.
Substitute a known-
good ECM and
recheck.