Suzuki GRAND VITARA 2005 Service Manual page 51

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DTC No.
(SUZUKI scan
tool)
Sensor Reference Voltage "B" circuit / open Sensor power source voltage is too high or too low
P0651
Glow Plug Module Control Circuit
P0670
ECM/PCM Power Relay Control Circuit /
P0685
Open
Sensor Reference Voltage "C" circuit / open Sensor power source voltage is too high or too low
P0697
Clutch Pedal Switch "A" Circuit
P0830
Clogged Particulate Filter Failures
P1431
Regeneration Request failures
P1436
Defective Particulate Filter Inlet Pick-Off
P1480
Failures
Additional heater relay No.1 control circuit
P1641
Additional heater relay No.2, 3 control
P1642
circuit
Particulate Trap Efficiency Below Threshold
P2002
Exhaust Gas Temperature Sensor Circuit
P2031
Throttle/Pedal Position Sensor/Switch "D"
Circuit
P2120
Exhaust Gas Recirculation Throttle Control
P2141
Circuit Low
Exhaust Gas Recirculation Throttle Control
P2142
Circuit High
Water in Fuel Sensor Circuit
P2264
Exhaust Gas Recirculation System
P2413
Performance
Turbine Inlet Temperature Sensor and
P242A
Wake-up Sensor Failure
Turbine Inlet Temperature Sensor
P242B
Regulation Failure
Coolant Pump Control circuit / open
P2600
Temperature Threshold Overshoot Failures
P3031
During After-sales Regeneration
Detecting Item
Engine General Information and Diagnosis:
Detecting Condition
(DTC will set when detecting:)
from ECM (Accelerator pedal position (APP) sensor
(sub), EGR stroke sensor)
Detection an error of pre-heating control or glow
plug failure
Monitor signal of main relay is different from
command signal.
from ECM (Fuel pressure sensor, MAF)
Poor performance of clutch switch
Diesel particulate filter clogged
This DTC indicates whether a specific running
request has been made in order to prompt a
particulate filter regeneration.
Clog diesel particulate filter upstream side pipe of
diesel particulate filter differential pressure sensor
Additional heater relay No.1 control circuit low or
high input
Additional heater relay No.2 and 3 control circuit
low or high input
• Differential pressure sensor signal out of
specification
• Exhaust gas temperature sensor 2 circuit
shorted to ground circuit
• Exhaust gas temperature sensor 2 circuit open
or shorted to power circuit
• Accelerator pedal position (APP) sensor (truck 2)
circuit shorted to ground circuit
Accelerator pedal position (APP) sensor (truck
2) circuit open or shorted to power circuit
• Poor performance of Accelerator pedal position
(APP) sensor (truck 2)
EGR valve out of tolerance or inoperative
EGR valve out of tolerance or inoperative
• Fuel filter water detection sensor circuit open or
short
• Fuel filter water detection sensor detects water in
fuel filter
• Excessive EGR flow
• Poor performance of EGR valve
• Exhaust gas temperature sensor 1 circuit
shorted to ground circuit
• Exhaust gas temperature sensor 1 circuit open
or shorted to power circuit
Exhaust gas temperature sensor 1 signal too high
input
Turbocharger electric water pump relay control
circuit low or high input
The exhaust gas temperature sensor 2 detects
over 700 °C, 1292 °F while the after-sales
regeneration was in progress.
1A-19
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