2008 SUZUKI SWIFT Throttle position sensor

Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-35
Poor 2 → 3 shiftShift solenoid valve-A circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Output shaft speed sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Transmission range sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
CAN communication circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Throttle position sensor circuit faulty Inspect circuit for open, short and intermittent
referring to “Electric Throttle Body Assembly
On-Vehicle Inspection in Section 1C”. If NG,
repair.
TCM Substitute a known-good TCM and recheck.
ECM Substitute a known-good ECM and recheck.
Poor 3
→ 4 shift Shift solenoid valve-B circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Pressure control solenoid valve circuit
faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Timing solenoid valve circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Output shaft speed sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Input shaft speed sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Transmission range sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Transmission fluid temperature sensor
circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
CAN communication circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Throttle position sensor circuit faulty Inspect circuit for open, short and intermittent
referring to “Electric Throttle Body Assembly
On-Vehicle Inspection in Section 1C”. If NG,
repair.
Engine coolant temperature sensor
circuit faulty Inspect circuit for open, short and intermittent
referring to “DTC P0117: Engine Coolant
Temperature Circuit Low
in Section 1A” and/or
“DTC P0118: Engine Coolant Temperature
Circuit High in Section 1A”. If NG, repair.
Crankshaft position sensor circuit faulty Inspect circuit for open, short and intermittent
referring to “DTC P0335: Crankshaft Position
(CKP) Sensor “A” Circuit in Section 1A”. If NG,
repair.
“3” position switch circuit faulty Refer to “No Gear Shift to 4th gear”.
TCM Substitute a known-good TCM and recheck.
ECM Substitute a known-good ECM and recheck.
Condition Possible cause Correction / Reference Item

Downloaded from www.Manualslib.com manuals search engine 5A-36 Automatic Transmission/Transaxle:
Poor 4 → 3 shiftShift solenoid valve-B circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Pressure control solenoid valve circuit
faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Timing solenoid valve circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Output shaft speed sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Input shaft speed sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
CAN communication circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Throttle position sensor circuit faulty Inspect circuit for open, short and intermittent
referring to “Electric Throttle Body Assembly
On-Vehicle Inspection in Section 1C”. If NG,
repair.
“3” position switch circuit faulty Refer to “No Gear Shift to 4th gear”.
TCM Substitute a known-good TCM and recheck.
ECM Substitute a known-good ECM and recheck.
Poor 3
→ 2 shift Shift solenoid valve-A circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Output shaft speed sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
CAN communication circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Throttle position sensor circuit faulty Inspect circuit for open, short and intermittent
referring to “Electric Throttle Body Assembly
On-Vehicle Inspection in Section 1C”. If NG,
repair.
TCM Substitute a known-good TCM and recheck.
ECM Substitute a known-good ECM and recheck.
Poor 2
→ 1 shift Shift solenoid valve-A circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Output shaft speed sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
CAN communication circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Throttle position sensor circuit faulty Inspect circuit for open, short and intermittent
referring to “Electric Throttle Body Assembly
On-Vehicle Inspection in Section 1C”. If NG,
repair.
TCM Substitute a known-good TCM and recheck.
ECM Substitute a known-good ECM and recheck.
Incorrect gear shift point Output shaft speed sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Pressure control solenoid valve circuit
faulty Inspect circuit for open, short and intermittent.
If NG, repair.
CAN communication circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Throttle position sensor circuit faulty Inspect circuit for open, short and intermittent
referring to “Electric Throttle Body Assembly
On-Vehicle Inspection in Section 1C”. If NG,
repair.
TCM Substitute a known-good TCM and recheck.
ECM Substitute a known-good ECM and recheck.
Condition Possible cause Correction / Reference Item

Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-37
Non operate TCC (lock-
up) systemTCC pressure control solenoid valve
circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Shift solenoid valve-A and/or-B circuit
faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Pressure control solenoid valve circuit
faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Output shaft speed sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Input shaft speed sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Transmission range sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Transmission fluid temperature sensor
circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
CAN communication circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Throttle position sensor circuit faulty Inspect circuit for open, short and intermittent
referring to “Electric Throttle Body Assembly
On-Vehicle Inspection in Section 1C”. If NG,
repair.
Engine coolant temperature sensor
circuit faulty Inspect circuit for open, short and intermittent
referring to “DTC P0117: Engine Coolant
Temperature Circuit Low
in Section 1A” and/or
“DTC P0118: Engine Coolant Temperature
Circuit High in Section 1A”. If NG, repair.
Brake light switch circuit faulty Refer to “No Lock-Up Occurs”.
TCM Substitute a known-good TCM and recheck.
ECM Substitute a known-good ECM and recheck.
Higher or lower stall
speed Pressure control solenoid valve circuit
faulty Inspect circuit for open, short and intermittent.
If NG, repair.
TCM Substitute a known-good TCM and recheck.
Excessive “N”
→ “D” or
“N”
→ “R” time lag Pressure control solenoid valve circuit
faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Transmission fluid temperature sensor
circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
TCM Substitute a known-good TCM and recheck.
Higher or lower line
pressure Pressure control solenoid valve circuit
faulty Inspect circuit for open, short and intermittent.
If NG, repair.
TCM Substitute a known-good TCM and recheck.
Condition Possible cause Correction / Reference Item

Downloaded from www.Manualslib.com manuals search engine 5A-38 Automatic Transmission/Transaxle:
Trouble Diagnosis 2
On-vehicle repair
Condition Possible cause Correction / Reference Item
Unable to run in all range Faulty valve body component Replace valve body assembly.
Excessive shift shock Engine abnormal condition Inspect and repair engine.
Malfunction of shift solenoid valve-A
and/or -B Inspect. If NG, replace.
Malfunction of output shaft speed
sensor Inspect. If NG, replace.
Malfunction of input shaft speed sensor Inspect. If NG, replace.
Malfunction of transmission range
sensor Inspect. If NG, replace.
Malfunction of transmission fluid
temperature sensor Inspect. If NG, replace.
Malfunction of timing solenoid valve only
when N → D or 3 ↔ 4 shifting Inspect. If NG, replace.
Malfunction of pressure control solenoid
valve Inspect. If NG, replace valve body assembly.
Malfunction of brake light switch except
N → D or N → R shifting Inspect referring to “Brake Light Switch
Inspection in Section 9B”. If NG, replace.
Malfunction of crankshaft position
sensor Inspect referring to “CKP Sensor Inspection in
Section 1C”. If NG, replace.
Malfunction of throttle position sensor Inspect referring to “Electric Throttle Body
Assembly On-Vehicle Inspection in Section
1C”. If NG, replace.
Faulty valve body component Replace valve body assembly.
Poor 1
→ 2 shift Malfunction of shift solenoid valve-B Inspect. If NG, replace.
Malfunction of output shaft speed
sensor Inspect. If NG, replace.
Malfunction of transmission range
sensor Inspect. If NG, replace.
Malfunction of throttle position sensor Inspect referring to “Electric Throttle Body
Assembly On-Vehicle Inspection in Section
1C”. If NG, replace.
Faulty valve body component Replace valve body assembly.
Poor 2
→ 3 shift Malfunction of shift solenoid valve-A Inspect. If NG, replace.
Malfunction of output shaft speed
sensor Inspect. If NG, replace.
Malfunction of transmission range
sensor Inspect. If NG, replace.
Malfunction of throttle position sensor Inspect referring to “Electric Throttle Body
Assembly On-Vehicle Inspection in Section
1C”. If NG, replace.
Faulty valve body component Replace valve body assembly.

Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-39
Poor 3 → 4 shiftMalfunction of shift solenoid valve-B Inspect. If NG, replace.
Malfunction of timing solenoid valve Inspect. If NG, replace.
Malfunction of output shaft speed
sensor Inspect. If NG, replace.
Malfunction of input shaft speed sensor Inspect. If NG, replace.
Malfunction of transmission range
sensor Inspect. If NG, replace.
Malfunction of transmission fluid
temperature sensor Inspect. If NG, replace.
Malfunction of “3” position switch Inspect. If NG, replace.
Malfunction of engine coolant
temperature sensor Inspect referring to “ECT Sensor Inspection in
Section 1C”. If NG, replace.
Malfunction of throttle position sensor Inspect referring to “Electric Throttle Body
Assembly On-Vehicle Inspection in Section
1C”. If NG, replace.
Malfunction of pressure control solenoid
valve Inspect. If NG, replace valve body assembly.
Faulty valve body component Replace valve body assembly.
Poor 4
→ 3 shift Malfunction of shift solenoid valve-B Inspect. If NG, replace.
Malfunction of timing solenoid valve Inspect. If NG, replace.
Malfunction of output shaft speed
sensor Inspect. If NG, replace.
Malfunction of input shaft speed sensor Inspect. If NG, replace.
Malfunction of “3” position off switch Inspect. If NG, replace.
Malfunction of throttle position sensor Inspect referring to “Electric Throttle Body
Assembly On-Vehicle Inspection in Section
1C”. If NG, replace.
Malfunction of pressure control solenoid
valve Inspect. If NG, replace valve body assembly.
Faulty valve body component Replace valve body assembly.
Poor 3
→ 2 shift Malfunction of shift solenoid valve-A Inspect. If NG, replace.
Malfunction of output shaft speed
sensor Inspect. If NG, replace.
Malfunction of throttle position sensor Inspect referring to “Electric Throttle Body
Assembly On-Vehicle Inspection in Section
1C”. If NG, replace.
Faulty valve body component Replace valve body assembly.
Poor 2
→ 1 shift Malfunction of shift solenoid valve-B Inspect. If NG, replace.
Malfunction of output shaft speed
sensor Inspect. If NG, replace.
Malfunction of throttle position sensor Inspect referring to “Electric Throttle Body
Assembly On-Vehicle Inspection in Section
1C”. If NG, replace.
Faulty valve body component Replace valve body assembly.
Incorrect shift point Engine abnormal condition Inspect and repair engine.
Malfunction of output shaft speed
sensor Inspect. If NG, replace.
Malfunction of throttle position sensor Inspect referring to “Electric Throttle Body
Assembly On-Vehicle Inspection in Section
1C”. If NG, replace.
Condition Possible cause Correction / Reference Item

Downloaded from www.Manualslib.com manuals search engine 5A-40 Automatic Transmission/Transaxle:
Trouble Diagnosis 3
Off-vehicle repairNon operate TCC (lock-
up) system
Malfunction of TCC solenoid valve
Inspect. If NG, replace.
Malfunction of shift solenoid valve-A
and/or -B Inspect. If NG, replace.
Malfunction of output shaft speed
sensor Inspect. If NG, replace.
Malfunction of input shaft speed sensor Inspect. If NG, replace.
Malfunction of transmission range
sensor Inspect. If NG, replace.
Malfunction of transmission fluid
temperature sensor Inspect. If NG, replace.
Malfunction of pressure control solenoid
valve Inspect. If NG, replace valve body assembly.
Malfunction of throttle position sensor Inspect referring to “Electric Throttle Body
Assembly On-Vehicle Inspection in Section
1C”. If NG, replace.
Malfunction of engine coolant
temperature sensor Inspect referring to “ECT Sensor Inspection in
Section 1C”. If NG, replace.
Malfunction of brake light switch Inspect referring to “Brake Light Switch
Inspection in Section 9B”. If NG, replace.
Faulty valve body component Replace valve body assembly.
Excessive “N”
→ “D” or
“N”
→ “R” time lag Malfunction of transmission fluid
temperature sensor Inspect. If NG, replace.
Pressure control solenoid valve circuit
faulty Inspect. If NG, replace valve body assembly.
Clogged oil strainer Replace.
Faulty valve body component Replace valve body assembly.
Condition Possible cause Correction / Reference Item
Condition
Possible cause Correction / Reference Item
Unable to run in all range Faulty oil pump Inspect. If NG, replace.
Seized or broken planetary gear Inspect. If NG, replace.
Faulty one-way No.2 clutch Inspect. If NG, replace.
Damaged drive plate Inspect. If NG, replace.
Faulty forward clutch Inspect. If NG, replace.
Faulty reverse clutch Inspect. If NG, replace.
Faulty 1st and reverse brake Inspect. If NG, replace.
Faulty torque converter Replace.
Excessive “N”
→ “D” shift
shock Faulty forward clutch
Inspect. If NG, replace.
Excessive “N”
→ “R” shift
shock Faulty reverse clutch
Inspect. If NG, replace.
Faulty 1st and reverse brake Inspect. If NG, replace.
Poor 1
→ 2 shift,
excessive shock or
slippage Faulty 2nd brake
Inspect. If NG, replace.
Faulty one-way No.1 clutch Inspect. If NG, replace.
Poor 2
→ 3 shift,
excessive shock or
slippage Faulty direct clutch
Inspect. If NG, replace.
Poor 3
↔ O/D shift,
excessive shock or
slippage Faulty forward clutch
Inspect. If NG, replace.
Faulty O/D and 2nd coast brake Inspect. If NG, replace.
Poor 3
→ 2 shift,
excessive shock or
slippage Faulty direct clutch
Inspect. If NG, replace.
Faulty one-way No.1 clutch Inspect. If NG, replace.
Poor 2
→ 1 shift,
excessive shock or
slippage Faulty 2nd brake
Inspect. If NG, replace.
Faulty one-way No.2 clutch Inspect. If NG, replace.

Downloaded from www.Manualslib.com manuals search engine Air Conditioning System: Automatic Type 7B-71
ECM Voltage Values Table for Relation of A/C Control
Repair Instructions
Operation Procedure for Refrigerant ChargeS7RS0B7226001
Refer to “Operation Procedure for Refrigerant Charge”.Terminal Wire Color Circuit Normal Value Condition
C37-14 GRY/RED Output of 5 V power
source 4.5 – 5.5 V Ignition switch turned ON
C37-15 BLK Ground for ECM Below 0.3 V Ignition switch turned ON
C37-24 LT GRN Engine coolant temp.
(ETC) sensor signal 3.3 – 3.8 V Ignition switch turned ON, ECT at 0
°C (32 ° F)
1.38 – 1.72 V Ignition switch turned ON, ECT at 50 °C (122 °F)
C37-30 BLK Ground for ECM Below 0.3 V Ignition switch turned ON
C37-55 ORN Ground for sensors Below 0.3 V Ignition switch turned ON
C37-58 BLK/ORN Ground for ECM Below 0.3 V Ignition switch turned ON E23-1 BLK/RED Main power supply 10 – 14 V Ignition switch turned ON
E23-3 RED CAN (high)
communication line
(active high signal)
for BCM and
combination meterRefer to “DTC P2101: Throttle Actu
ator Control Motor Circuit Range /
Performance in Section 1A”
E23-16 BLK/RED Main power supply 10 – 14 V Ignition switch turned ON
E23-18 WHT CAN (low)
communication line
(active low signal) for
BCM and
combination meterRefer to “DTC P2101: Throttle Actu
ator Control Motor Circuit Range /
Performance in Section 1A”
E23-19 BLU/WHT Electric load signal
for blower motor 10 – 14 V
Ignition switch turned ON, blower speed selector
OFF or between 1st and 5th position
0 – 1 V Ignition switch turned ON, blower speed selector
between 6th and HIGH position
E23-46 LT GRN Radiator fan relay
No.1 output 10 – 14 V
Ignition switch turned ON, engine coolant temp.:
below 95
°C (203 ° F), or A/C refrigerant pressure:
below 600 kPa (87 psi).
0 – 2 V Ignition switch turned ON, engine coolant temp.:
97.5
°C (207.5 °F) or higher, or A/C refrigerant
pressure: 1100 kPa (159.5 psi) or higher.
E23-47 GRY A/C compressor relay
output 10 – 14 V Engine running, A/C request signal high input
0 – 1 V Engine running, A/C request signal low input
E23-48 GRN Radiator fan relay
No.2 and No.3 output 10 – 14 V
Ignition switch turned ON, engine coolant temp.:
below 100
°C (212 °F), or A/C refrigerant
pressure: below 1200 kPa (174 psi).
0 – 2 V Ignition switch turned ON, engine coolant temp.:
102.5
°C (216.5 ° F) or higher, or A/C refrigerant
pressure: 1500 kPa (217.5 psi) or higher.
E23-55 RED A/C refrigerant
pressure sensor
signal 1.46 – 1.71 V
Engine running, A/C refrigerant pressure at 0.8
MPa (8.0 kg/cm
2) (A/C refrigerant pressure
measured by manifold gauge)
2.55 – 2.80 V Engine running, A/C refrigerant pressure at 1.6
MPa (16.0 kg/cm
2) (A/C refrigerant pressure
measured by manifold gauge)
E23-60 BRN/WHT Main power supply
relay output 10 – 14 V Ignition switch turned OFF
0 – 2 V Ignition switch turned ON

Downloaded from www.Manualslib.com manuals search engine 9A-11 Wiring Systems:
C: Engine harnessNo./Color Connective position No./Color Connective positionC01/GRY IAC valve C22/- Generator #2
C02/GRY IG Coil #1 C23/BLK Starting motor #1
C03/GRY IG Coil #2 C24/- Starting motor #2
C04/GRY Fuel injector #1 C25/GR Y VSS (Vehicle speed sensor)
C05/GRY Fuel injector #2 C26/GRY Knock sensor
C06/GRY Fuel injector #3 C27/BLU (A/
T) Input shaft speed sensor
C07/GRY Fuel injector #4 C28/GRY
(A/T) Trans axle range sensor
C08/BLK or GRY CMP sensor C29/GRY
(A/T) Shift solenoid
C09/BLK ECT sensor C30/BLK
(M/T) Back-up light switch
C10/GRY EGR stepper motor C31/- Main fuse box C11/BLK Throttle position sensor C32/GRY
(IF EQPD) Current sensor
C12/BLK MAP sensor C33/- Main fuse box
C13/BLK MAF sensor C34/N (A/T) TCM
C14/BLK EVAP canister purge valve C35/N (A/T) TCM
C15/GRY Heated oxygen sensor #1 C36/N Main harness (To E24)
C16/GRN Heated oxygen sensor #2 C37/GRY ECM C17/BLK A/C compressor C38/- Weld splice C18/N Oil pressure switch C39/- Weld splice
C19/BLU VVT solenoid C40/- Weld splice
C20/GRY CKP sensor C41/- Weld splice
C21/GRY or BLK Generator #1