section 9 SUZUKI SX4 2006 1.G Service Workshop Manual

Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-47
DTC Troubleshooting
DTC P0712: Transmission Fluid Temperature Sensor Circuit LowS6RW0D5104022
Wiring Diagram
DTC Detecting Condition and Trouble AreaStep Action Yes No
1Was “A/T System Check” performed?Go to Step 2. Go to “A/T System
Check”.
2Inspect transmission fluid temperature sensor
1) Inspect transmission fluid temperature sensor referring
to “Transmission Fluid Temperature Sensor Inspection”.
Is result satisfactory?Go to Step 3 Replace transmission
fluid temperature
sensor.
3Check for transmission fluid temperature sensor circuit
1) Turn ignition switch to OFF position.
2) Disconnect valve body harness connector and TCM
connectors.
3) Check for proper connection to TCM at terminals “C06-
11” and “C06-12”. If connection is OK, check circuit for
open, short and high resistance for the following circuit.
• Between “C06-11” terminal of TCM connector and “LT
GRN” terminal of valve body harness connector.
• Between “C06-12” terminal of TCM connector and
“ORN” terminal of valve body harness connector.
Are they in good condition?Intermittent trouble or
faulty TCM. Check for
intermittent referring to
“Intermittent and Poor
Connection Inspection
in Section 00”. If OK,
substitute a known-
good TCM and recheck.Repair “LT GRN” and/or
“ORN” circuit.
5V
C06-11
C06-12
LT GRN
ORN
23
12 11
C06C07
[A]
1
I6RW0B510009-03
1. TCM 3. A/T
2. Transmission fluid temperature sensor [A]: Terminal arrangement of TCM connector (viewed from harness side)
DTC detecting condition Trouble area
Transmission temperature sensor terminal voltage is less
than specified value for 5 minutes or more after starting
engine.• Transmission fluid temperature sensor or its circuit
malfunction
•TCM

Downloaded from www.Manualslib.com manuals search engine 5A-48 Automatic Transmission/Transaxle:
DTC Confirmation Procedure
WARNING!
• When performing a road test, select a place where there is no traffic or possibility of a traffic
accident and be very careful during testing to avoid occurrence of an accident.
• Road test should be carried out with 2 persons, a driver and a tester, on a level road.

1) Connect scan tool to DLC with ignition switch OFF, if available.
2) Clear DTC in TCM memory and start engine and keep for 20 minutes or more.
3) Stop vehicle and check DTC.
DTC Troubleshooting
DTC P0713: Transmission Fluid Temperature Sensor Circuit HighS6RW0D5104023
Wiring Diagram
DTC Detecting Condition and Trouble AreaStep Action Yes No
1Was “A/T System Check” performed?Go to Step 2. Go to “A/T System
Check”.
2Check transmission fluid temperature circuit for ground
short
1) Check continuity between terminal “C06-11” of
disconnected harness side TCM connector and ground.
Is continuity indicated?“LT GRN” circuit shorted
to ground.Go to Step 3.
3Inspect transmission fluid temperature sensor
1) Inspect transmission fluid temperature sensor referring
to “Transmission Fluid Temperature Sensor Inspection”.
Is result satisfactory?Intermittent trouble or
faulty TCM. Check for
intermittent referring to
“Intermittent and Poor
Connection Inspection
in Section 00”. If OK,
substitute a known-
good TCM and recheck.Replace transmission
fluid temperature
sensor.
5V
C06-11
C06-12
LT G R N
ORN
23
12 11
C06C07
[A]
1
I6RW0B510009-03
1. TCM 3. A/T
2. Transmission fluid temperature sensor [A]: Terminal arrangement of TCM connector (viewed from harness side)
DTC detecting condition Trouble area
Transmission fluid temperature sensor terminal voltage is
more than specified value even though engine was running in
“R”, “D”, “3”, “2” or “L” range for 12 minutes after starting
engine.• Transmission fluid temperature sensor or its circuit
malfunction
•TCM

Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-49
DTC Confirmation Procedure
WARNING!
• When performing a road test, select a place where there is no traffic or possibility of a traffic
accident and be very careful during testing to avoid occurrence of an accident.
• Road test should be carried out with 2 persons, a driver and a tester, on a level road.

1) Connect scan tool to DLC with ignition switch OFF, if available.
2) Clear DTC in TCM memory and start engine.
3) Increase engine coolant temperature to about 50 °C (122 °F) and more.
4) Start vehicle and increase vehicle speed to about 20 km/h (12 mile/h) for 10 minutes or more.
5) Stop vehicle and check DTC.
DTC Troubleshooting
Step Action Yes No
1Was “A/T System Check” performed?Go to Step 2. Go to “A/T System
Check”.
2Check transmission fluid temperature circuit for open
1) Turn ignition switch OFF.
2) Disconnect TCM connectors from TCM.
3) Check for proper connection to transmission fluid
temperature sensor at terminals “C06-11” and “C06-12”.
4) If OK, check continuity between terminals “C06-11” and
“C06-12” of disconnected harness side TCM connector.
Is continuity indicated?Go to Step 3. “LT GRN” or “ORN”
circuit open.
3Check transmission fluid temperature circuit for IG
short
1) Cool down A/T fluid temperature under ambient
temperature.
2) Connect TCM connectors to TCM with ignition switch
OFF.
3) Turn ignition switch ON.
4) Measure voltage between terminal “C06-11” of TCM
connector and ground.
Is it 4.6 V or more?“LT GRN” circuit shorted
to power circuit.
If circuit is OK, go to
St ep 4 .Intermittent trouble or
faulty TCM.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
If OK, substitute a
known-good TCM and
recheck.
4Inspect transmission fluid temperature sensor
1) Inspect transmission fluid temperature sensor referring
to “Transmission Fluid Temperature Sensor Inspection”.
Is result satisfactory?Intermittent trouble or
faulty TCM.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
If OK, substitute a
known-good TCM and
recheck.Replace transmission
fluid temperature
sensor.

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DTC P0722: Output Speed Sensor (VSS) Circuit No SignalS6RW0D5104025
Wiring Diagram
DTC Detecting Condition and Trouble Area3Inspect input shaft speed sensor
1) Inspect input shaft speed sensor referring to “Input Shaft
Speed Sensor Inspection”.
Is result satisfactory?“WHT” or “BLK” circuit
open or short.Replace input shaft
speed sensor.
4Check visually input shaft speed sensor and direct
clutch drum for the following
• No damage
• No foreign material attached
• Correct installation
Are they in good condition?Intermittent trouble or
faulty TCM.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
If OK, substitute a
known-good TCM and
recheck.Clean, repair or replace. Step Action Yes No
I2RH0B510020-01
12 11
C06C07
[A]
112V
IG1
PPLBLK/WHT
BLK/ORNC07-25
23
I6RW0B510011-01
1. TCM 3. To ECM
2. Output shaft speed sensor (VSS) [A]: Terminal arrangement of TCM connector (viewed from harness side)
DTC detecting condition Trouble area
No output shaft speed sensor signal is detected although
input shaft speed sensor signals are detected with “D”, “2” or
“L” range.• Output shaft speed sensor or its circuit malfunction
• Damaged sensor gear (driven gear)
• Damaged output shaft speed sensor (VSS) drive
gear
•TCM

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DTC P0741 / P0742: TCC Circuit Performance or Stuck OFF / TCC Circuit Stuck ONS6RW0D5104026
DTC Detecting Condition and Trouble Area
DTC P0741
DTC P0742
DTC Confirmation Procedure
WARNING!
• When performing a road test, select a place where there is no traffic or possibility of a traffic
accident and be very careful during testing to avoid occurrence of an accident.
• Road test should be carried out with 2 persons, a driver and a tester, on a level road.

1) Connect scan tool to DLC with ignition switch OFF, if available.
2) Clear DTC in TCM memory.
3) Start engine and warm it up to normal operating temperature.
4) Shift select lever to “N” and “D” range for each 10 seconds.
5) Drive vehicle with 3rd or 4th gear in “D” range and lock-up ON for 2 seconds or longer referring to “Automatic Gear
Shift Table”.
6) Shift select lever to “3” range.
7) Drive vehicle with 2nd or 3rd gear in “3” range, 15 – 30% throttle opening and at vehicle speed of 25 – 40 km/h (16
– 25 mile/h) at least for 1 second.
8) Stop vehicle and turn ignition switch OFF.
9) Repeat Step 3) to 7) one time.
10) Stop vehicle and check DTC.7Check output shaft speed sensor (VSS) gears visually
1) Check output shaft speed sensor gears for the
followings.
• No damage in drive gear on differential case
• No damage in driven gear in output shaft speed
sensor
Is result satisfactory?Intermittent trouble or
faulty TCM.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
If OK, substitute a
known-good TCM and
recheck.Replace drive gear and/
or driven gear of output
shaft speed sensor. Step Action Yes No
DTC detecting condition Trouble area
When driving vehicle with 3rd or 4th gear in “D” range,
difference in revolution between engine and A/T input (input
shaft speed) is larger than specification although TCM
commanded TCC solenoid valve to turn ON.• Mechanical malfunction of TCC solenoid valve
• Malfunction of valve body assembly
• Fluid passage clogged or leaking
• Torque converter clutch malfunction
DTC detecting condition Trouble area
When driving vehicle with 2nd, 3rd or 4th gear in “D” range,
difference in revolution between engine and A/T input (input
shaft speed) is smaller than specification although TCM
commanded TCC solenoid valve to turn OFF.• Mechanical malfunction of TCC solenoid valve
• Malfunction of valve body assembly
• Fluid passage clogged or leaking
• Torque converter clutch malfunction

Downloaded from www.Manualslib.com manuals search engine 5A-56 Automatic Transmission/Transaxle:
DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch OFF, if available.
2) Clear DTC in TCM memory.
3) Start engine and shift select lever to “N” range.
4) Repeat shifting select lever from “N” range to “D” range and vice versa for 3 times.
5) Check DTC.
DTC Troubleshooting
Step Action Yes No
1Was “A/T System Check” performed?Go to Step 2. Go to “A/T System
Check”.
2Check timing solenoid valve resistance
1) Turn ignition switch OFF.
2) Disconnect valve body harness connector (1), (2) on
transaxle.
3) Check for proper connection to solenoid valve at “BLU/
BLK” circuit.
4) Check resistance of solenoid valve.
Timing solenoid valve resistance
Between terminal of transaxle side valve body
harness connector and transaxle: 11 – 15 Ω at 20 °C
(68 °F)
Is check result satisfactory?Go to Step 3. Replace timing solenoid
valve or lead wire.
3Check timing solenoid valve circuit for ground short
1) Connect valve body harness connector.
2) Disconnect TCM connectors.
3) Measure resistance between terminal “C06-14” of
disconnected harness side TCM connector and ground.
Is it 11 – 15
Ω at 20 °C (68 °F)?Intermittent trouble or
faulty TCM.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
If OK, substitute a
known-good TCM and
recheck.“BLU/BLK” circuit
shorted to ground.
1
6 7 8 9
1054
32
2
1
I5RW0C510016-02

Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-57
DTC P0788: Shift / Timing Solenoid Control Circuit HighS6RW0D5104029
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch OFF, if available.
2) Clear DTC in TCM memory.
3) Start engine and shift select lever to “N” range.
4) Repeat shifting select lever from “N” range to “D” range and vice versa for 3 times.
5) Check DTC.
DTC Troubleshooting
12V
C06-14BLU/BLK
31
2
14
C06C07
[A]
I6RW0B510012-01
1. TCM 3. A/T
2. Timing solenoid valve [A]: Terminal arrangement of TCM connector (viewed from harness side)
DTC detecting condition Trouble area
Voltage of timing solenoid valve TCM terminal is high
although TCM is commanding timing solenoid valve to turn
OFF.• Timing solenoid valve circuit open or shorted to
power circuit
• Timing solenoid valve malfunction
•TCM
Step Action Yes No
1Was “A/T System Check” performed?Go to Step 2. Go to “A/T System
Check”.
2Check timing solenoid valve circuit for IG short
1) Disconnect TCM connectors.
2) Turn ignition switch ON and measure voltage between
terminal “C06-14” of harness side TCM connector and
ground.
Is it 0 – 1 V?Go to Step 3. “BLU/BLK” circuit
shorted to power circuit.
3Check timing solenoid valve circuit for open
1) Measure resistance between terminal “C06-14” of
disconnected harness side TCM connector and ground.
Is it 11 – 15
Ω at 20 °C (68 °F)?Intermittent trouble or
faulty TCM.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
If OK, substitute a
known-good TCM and
recheck.Go to Step 4.

Downloaded from www.Manualslib.com manuals search engine 5A-60 Automatic Transmission/Transaxle:
DTC P0962: Pressure Control Solenoid Control Circuit LowS6RW0D5104030
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch OFF, if available.
2) Clear DTC in TCM memory.
3) Start engine.
4) Keep engine running at idle speed for 30 seconds or more.
5) Stop vehicle and check DTC.3Check for pressure control solenoid valve circuit
1) Disconnect TCM connectors.
2) Check for proper connection to TCM at terminals “C06-
2” and “C06-4”. If connection is OK, check circuit for
open, short, and high resistance for the following circuit.
• Between “C06-2” terminal of TCM connector and “LT
GRN/BLK” terminal of valve body harness connector.
• Between “C06-4” terminal of TCM connector and
“GRY” terminal of valve body harness connector.
Are they in good condition?Intermittent trouble or
faulty TCM. Check for
intermittent referring to
“Intermittent and Poor
Connection Inspection
in Section 00”. If OK,
substitute a known-
good TCM and recheck.Repair “LT GRN/BLK”
and/or “GRY” circuit. Step Action Yes No
12V
C06-4
C06-2
GRY
LT GRN/BLK
3
1
2
42
C06C07
[A]
I6RW0B510013-01
1. TCM 3. A/T
2. Pressure control solenoid valve [A]: Terminal arrangement of TCM connector (viewed from harness side)
DTC detecting condition Trouble area
Pressure control solenoid valve output voltage is too low
comparing with TCM command value.• Pressure control solenoid valve circuit open or
shorted to ground
• Malfunction of pressure control solenoid valve
•TCM

Downloaded from www.Manualslib.com manuals search engine 5A-62 Automatic Transmission/Transaxle:
DTC P0963: Pressure Control Solenoid Control Circuit HighS6RW0D5104031
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch OFF, if available.
2) Clear DTC in TCM memory.
3) Start engine.
4) Keep engine running at idle speed for 15 seconds or more.
5) Check DTC.4Check pressure control solenoid valve circuit for open
1) Check resistance continuity between terminals “C06-2”
and “C06-4” of disconnected harness side TCM
connector.
Is it infinite?“GRY” or “LT GRN/BLK”
circuit open.Intermittent trouble or
faulty TCM.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
If OK, substitute a
known-good TCM and
recheck. Step Action Yes No
12V
C06-4
C06-2
GRY
LT GRN/BLK
3
1
2
42
C06C07
[A]
I6RW0B510013-01
1. TCM 3. A/T
2. Pressure control solenoid valve [A]: Terminal arrangement of TCM connector (viewed from harness side)
DTC detecting condition Trouble area
Pressure control solenoid valve output voltage is too high
comparing with TCM command value.• Pressure control solenoid valve circuit shorted to
power circuit
• Pressure control solenoid valve malfunction
•TCM

Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-63
DTC Troubleshooting
Step Action Yes No
1Was “A/T System Check” performed?Go to Step 2. Go to “A/T System
Check”.
2Check pressure control solenoid circuit for IG short
1) Connect valve body harness connector.
2) Disconnect TCM connectors.
3) Check for proper connection to TCM at terminal “C06-2”
and “C06-4”.
4) If connection is OK, turn ignition switch ON and measure
voltage between terminal “C06-4” of disconnected
harness side TCM connector and ground.
Is it 0 – 2 V?Go to Step 3. “BRN/YEL” or “LT GRN”
circuit shorted to power
circuit.
3Check pressure control solenoid valve resistance
1) Turn ignition switch OFF.
2) Disconnect valve body harness connector (1), (2) on
automatic transaxle.
3) Check for proper connection to solenoid at “GRY” and
“LT GRN/BLK” circuit.
4) Check resistance of pressure control solenoid.
Pressure control solenoid valve resistance
Between terminals of transaxle side valve body
harness connector: 5.0 – 5.6 Ω at 20 °C (68 °F)
Between terminals of transaxle valve body harness
connector and transaxle: Infinity
Is check results satisfactory?Intermittent trouble or
faulty TCM. Check for
intermittent referring to
“Intermittent and Poor
Connection Inspection
in Section 00”. If OK,
substitute a known-
good TCM and recheck.Replace pressure
control solenoid valve or
valve body harness.
1
6 7 8 9
1054
32
2
1
I5RW0C510018-03