Dtc P0651: Sensor Reference Voltage 2 Circuit - Suzuki Grand Vitara 2011 Manual

DTC P0651: Sensor Reference Voltage 2 Circuit

CAUTION
!
• This fault may appear if the wiring harness has been damaged.
Follow the procedure described in "Electrical Circuit Inspection Procedure in Section 00".
• This check enables the condition and the conformity of the engine wiring harness to be checked.
NOTE
• Conditions for applying the fault finding procedure to stored faults:
The fault is declared present following a road test or after attempting to start the engine several
times.
• If the fault is present:
– The EGR functions is inhibited.
– The cruise control function is deactivated.
– Engine speed is limited.
– The Injection warning light (gravity 1 warning light) is lit.
– The Malfunction indicator light (MIL) will light up after three consecutive cycles (starting +5
seconds + turn OFF ignition switch and wait 40 second).
• Use service wire for all operations on the ECM connectors.
Wiring Diagram
For wiring circuit and connector number, refer to "A-5 Engine and A/C Control System Circuit Diagram (DSL) in
Section 9A".
Detecting Condition
Displaying on SUZUKI scan tool
D1
D2
Engine General Information and Diagnosis: For Diesel Engine Model 1A-338
Sensor reference voltage too low
Sensor reference voltage too high
Detecting condition
S6JB0A1124127