Suzuki Grand Vitara JB416 / JB420 / JB419. Service manual - part 22

1A-35 Engine General Information and Diagnosis: For Petrol Engine Model

U*P0133

O2 sensor (HO2S) circuit slow
response (Sensor-1)

Ratio between integrated value of A/F sensor output
variation and integrated value of short term fuel trim
variation is more than specification while vehicle is
running constant speed and low engine load after warmed
up.

2 driving

cycles

)

U*P0134

O2 sensor (HO2S) circuit no
activity detected (Sensor-1)

Impedance of A/F sensor element is higher than 500

Ω for

more than 2 sec even though A/F sensor heater is turned
ON for more than 160 sec with engine running. (A/F
sensor or sensor circuit open)

2 driving

cycles

)

U*P0137

O2 sensor (HO2S) circuit low
voltage (Sensor-2)

HO2S-2 voltage is lower than 0.4 V for more than
specified time continuously while vehicle is driving with
high engine load (high speed). And HO2S-2 max. voltage
minus HO2S-2 min. voltage is less than 0.2 V for specified
time continuously.

2 driving

cycles

)

U*P0138

O2 sensor (HO2S) circuit high
voltage (Sensor-2)

HO2S-2 voltage is higher than 0.85 V for more than
specified time continuously while vehicle is driving with
high engine load (high speed). And HO2S-2 max. voltage
minus HO2S-2 min. voltage is less than 0.2 V for specified
time continuously.

2 driving

cycles

)

U*P0140

O2 sensor (HO2S) circuit no
activity detected (Sensor-2)

HO2S-2 voltage is higher than 4.5 V for 0.5 sec
continuously after warming up engine (circuit open).

2 driving

cycles

)

U*P0171

System too lean

Total fuel trim (short term fuel trim + long term fuel trim) is
higher than specified range for 30 to 90 sec (depending
on ECT) continuously.

2 driving

cycles

)

U*P0172

System too rich

Total fuel trim (short term fuel trim + long term fuel trim) is
lower than specified range for 30 to 90 sec (depending on
ECT) continuously.

2 driving

cycles

)

*P0222

Throttle position sensor (sub)
circuit low

Output voltage of throttle position sensor (sub) is less
than 0.3 V for specified time continuously.

1 driving

cycle

)

*P0223

Throttle position sensor (sub)
circuit high

Output voltage of throttle position sensor (sub) is more
than 4.7 V for specified time continuously.

1 driving

cycle

)

U*P0300

Random misfire detected

• Misfire, which causes catalyst to overheat during 200

engine revolutions, is detected at 2 or more cylinders.
(MIL flashes as long as this misfire occurs
continuously.)

or
• Misfire, which affects exhaust emission adversely

during 1000 engine revolution, is detected at 2 or more
cylinders.

*2 driving

cycles

)

U*P0301 /
U*P0302 /
U*P0303 /

U*P0304

Cylinder 1 misfire detected
Cylinder 2 misfire detected
Cylinder 3 misfire detected
Cylinder 4 misfire detected

• Misfire, which causes catalyst to overheat during 200

engine revolutions, is detected at 1 cylinder. (MIL
flashes as long as this misfire occurs continuously.)

or
• Misfire, which affects exhaust emission adversely

during 1000 engine revolution, is detected at 1 cylinder.

2 driving

cycles

)

*P0327 Knock sensor circuit low

Voltage of knock sensor is less than 1.2 V for 0.5 sec
continuously.

1 driving

cycle

)

*P0328 Knock sensor circuit high

Voltage of knock sensor is more than 3.9 V for 0.5 sec
continuously.

1 driving

cycle

)

*P0335

Crankshaft position sensor
circuit

No CKP sensor signal for 2 sec. even if starting motor
signal is inputted at engine cranking.

1 driving

cycle

DTC No.

Detecting item

Detecting condition

(DTC will set when detecting:)

MIL

Engine General Information and Diagnosis: For Petrol Engine Model 1A-36

)

*P0340 Camshaft position sensor circuit

• CMP sensor pulse is less than 20 pulses per crankshaft

8 revolutions

• CMP sensor pulse is more than 28 pulses per

crankshaft 8 revolutions

• CMP sensor pulse is less than 20 pulses between

BTDC 155

° crank angle (for M16A engine) or BTDC

° crank angle (for J20A engine) and BTDC 5° crank

angle with crankshaft 8 revolutions from engine start.

1 driving

cycle

)

U*P0401

Exhaust gas recirculation flow
detected as insufficient

Difference in intake manifold absolute pressure between
opened EGR valve and closed EGR valve is smaller than
specified value.

2 driving

cycles

)

U*P0402

Exhaust gas recirculation flow
detected as excessive

Difference in intake manifold absolute pressure between
opened EGR valve and closed EGR valve is larger than
specified value.

2 driving

cycles

)

*P0403

Exhaust gas recirculation
control circuit

Monitored voltage of EGR valve drive pulse is different
from its output command with more than one pole out of 4
poles.

1 driving

cycle

)

U*P0420

Catalyst system efficiency
below threshold

Ratio of integrated value of HO2S-2 output variation per
integrated value of A/F sensor output variation is more
than specification while vehicle is running constant speed
and low engine load after warmed up.

2 driving

cycles

)

*P0443

Evaporative emission system
purge control valve circuit

Monitored voltage of EVAP canister purge valve drive
pulse is different from its command signal. (Circuit open or
short)

2 driving

cycles

)

P0462 Fuel level sensor circuit low

Fuel level sensor voltage is lower than 0.5 V for 3
seconds continuously.

—

)

P0463 Fuel level sensor circuit high

Fuel level sensor voltage is higher than 4.9 V for 3
seconds continuously.

—

)

*P0480

Fan 1 (Radiator cooling fan)
control circuit

Monitored voltage of radiator cooling fan relay output is
different from its command signal.

1 driving

cycle

)

*P0500

Vehicle speed sensor (VSS)
malfunction

Vehicle speed signal is not input while fuel is cut at
deceleration for 4 seconds continuously at 3600 rpm or
less.

2 driving

cycles

)

U*P0504

Brake switch “A”/“B” correlation

Brake pedal switch signal is inconsistent with stop lamp
switch signal.

—

)

P0532

A/C refrigerant pressure sensor
circuit low

A/C refrigerant pressure sensor signal voltage is less than
0.15 V for 0.5 sec. continuously.

—

)

P0533

A/C refrigerant pressure sensor
circuit high

A/C refrigerant pressure sensor signal voltage is higher
than 4.9 V for 0.5 sec. continuously.

—

)

*P0601

Internal control module memory
check sum error

Data write error or check sum error

1 driving

cycle

)

P0602

Control module programming
error

Data programming error

1 driving

cycle

)

*P0607 Control module performance

Data programming error

1 driving

cycle

)

U*P0616

Starter relay circuit low

Engine starts even though vehicle is at stop and engine
starter signal is low voltage.

2 driving

cycles

)

U*P0617

Starter relay circuit high

Engine starter signal is high voltage for 180 seconds
continuously while engine is running.

2 driving

cycles

)

P0620 Generator control circuit

• Battery voltage is higher than 14 V even through

generator control is maximum regulation (duty 100%).

• Battery voltage is lower than 12.5 V even through

generator control is minimum regulation (duty 50%)
and electric load is less than 20 A.

—

DTC No.

Detecting item

Detecting condition

(DTC will set when detecting:)

MIL

1A-37 Engine General Information and Diagnosis: For Petrol Engine Model

)

P0625

Generator field terminal circuit
low

Generator field coil duty is 100% (low voltage) for more
than specified time even through generator control is
maximum regulation (control duty 100%) or Generator
field coil duty is 100% (low voltage) when engine is
starting.

—

)

P0626

Generator field terminal circuit
high

Generator field coil duty is 0% (high voltage) for more
than specified time even through generator control is
minimum regulation (control duty 0%).

—

)

P0660

Intake manifold tuning valve
circuit / open (J20A engine)

Monitored voltage of IMT vacuum solenoid valve output is
different from command signal. (Circuit open or short)

—

)

P1501

Electric load current sensor
circuit low (J20A engine)

Electric load current sensor circuit voltage is lower than
specified range.

—

)

P1502

Electric load current sensor
circuit high (J20A engine)

Electric load current sensor circuit voltage is higher than
specified range.

—

)

*P1510

ECM backup power supply
malfunction

Back-up power circuit voltage is no inputted for 5 seconds
continuously while engine is running.

1 driving

cycle

)

P1603

TCM trouble code detected
(J20A engine)

When ECM receives a trouble code from TCM, which
indicates that some problem occurred in sensor circuits
and its calculated values used for operations such as idle
speed control, engine power control, and so on by TCM,
ECM sets DTC P1603. (TCM outputs the trouble code to
ECM when TCM can not compute the engine control
signal due to malfunctions of sensor circuits used for gear
shift control.)

1 driving

cycle

)

P1674

CAN communication (bus off
error)

Transmission error that is inconsistent between
transmission data and transmission monitor (CAN bus
monitor) data is detected more than 7 times continuously.

—

)

*P1676

CAN communication (reception
error for TCM)

Reception error of communication data for TCM is
detected for longer than specified time continuously.

1 driving

cycle

)

P1678

CAN communication (reception
error for BCM)

Reception error of communication data for BCM is
detected for longer than specified time continuously.

—

)

*P1685

CAN communication (reception
error for ABS / ESP

® control

module)

Reception error of communication data for ABS or ESP

control module is detected for longer than specified time
continuously.

1 driving

cycle

)

*P2101

Throttle actuator control motor
circuit range/performance

Monitored voltage of throttle actuator output (duty output)
is inconsistent with its control command.

1 driving

cycle

)

*P2102

Throttle actuator control motor
circuit low

Power supply voltage of throttle actuator control circuit is
less than 5 V for specified time even if throttle actuator
control relay is turned on.

1 driving

cycle

)

*P2103

Throttle actuator control motor
circuit high

Power supply voltage of throttle actuator control circuit is
more than 5 V for specified time even if throttle actuator
control relay is turned off.

1 driving

cycle

)

*P2111

Throttle actuator control system
– stuck open

Throttle valve default opening is greater than 7

° from

complementary closed position when diagnosing throttle
valve at ignition switch turned OFF.

1 driving

cycle

)

*P2119

Throttle actuator control throttle
body range/performance

Difference between the measured (actual) throttle valve
opening angle and the target throttle valve opening angle
which is calculated based on accelerator pedal opening
angle and engine condition is more than specification for
specified time continuously.

1 driving

cycle

)

*P2122

Pedal position sensor (main)
circuit low input

Output voltage of accelerator pedal position sensor (main)
is less than 0.2 V for 0.5 seconds continuously.

1 driving

cycle

)

*P2123

Pedal position sensor (main)
circuit high input

Output voltage of accelerator pedal position sensor (main)
is more than 4.8 V for 0.5 seconds continuously.

1 driving

cycle

)

*P2127

Pedal position sensor (sub)
circuit low input

Output voltage of accelerator pedal position sensor (sub)
is less than 0.2 V for 0.5 seconds continuously.

1 driving

cycle

)

*P2128

Pedal position sensor (sub)
circuit high input

Output voltage of accelerator pedal position sensor (sub)
is more than 4.8 V for 0.5 seconds continuously.

1 driving

cycle

DTC No.

Detecting item

Detecting condition

(DTC will set when detecting:)

MIL

Engine General Information and Diagnosis: For Petrol Engine Model 1A-38

)

*P2135

Throttle position sensor (main /
sub) voltage correlation

Difference between the opening angle based on throttle
position sensor (main) and the opening angle based on
throttle position sensor (sub) is more than specification for
specified time continuously.

1 driving

cycle

)

*P2138

Pedal position sensor (main /
sub) voltage correlation

Difference between the opening angle based on
accelerator pedal position sensor (main) and the opening
angle based on accelerator pedal position sensor (sub) is
more than specification for specified time continuously.

1 driving

cycle

)

U*P2195

O2 sensor signal stuck lean
(Sensor-1)

A/F sensor output is higher than 0.7 V while vehicle is
running constant speed and constant engine load after
warmed up. (2 driving cycle detection logic)

2 driving

cycles

)

U*P2196

O2 sensor signal stuck rich
(Sensor-1)

A/F sensor output is lower than 0.2 V while vehicle is
running constant speed and constant engine load after
warmed up. (2 driving cycle detection logic)

2 driving

cycles

)

*P2227

Barometric pressure circuit
range/performance

Difference of barometric pressure value and intake
manifold pressure value is higher than specified value
while engine cranking.

2 driving

cycles

)

U*P2228

Barometric pressure circuit low

Barometric pressure signal less than specified value is
detected.