2007 ISUZU KB P190 indicator

Automatic Transmission – 4L60E – Electrical Diagnosis Page 7C2–37
Step Action Yes No
2 1 Connect Tech 2 to the DLC.
2 Turn on the ignition, with the engine off.
NOTE
Before clearing the DTC, use the Tech 2 Freeze
Frame/Failure Record to record the transmission
parameters at the time the DTC set. Using Tech 2 to clear
the DTC(s) erases the Freeze Frame/Failure Record
records from the TCM.
3 On Tech 2 select: Transmission / Automatic Transmission / Diagnostic
Trouble Codes / Freeze Frame.
4 Select the relevant DTC and note the parameters at the time of the DTC setting.
5 On Tech 2 select:
Diagnostic Trouble Codes / Clear Engine & Transmission
DTCs.
6 Follow the instructions on Tech 2 and clear the DTCs.
7 Using a multimeter set to measure voltage, probe across the battery terminals.
Does the multimeter display greater than 11 V? Go to Step 3 Check the
serviceability of the battery, refer to
8A Electrical-Body and Chassis
3 1 Start the engine.
2 Allow the engine to warm up to normal operating temperature.
Is the alternator fail warning indicator illuminated? Refer to
6D1-1 Charging system – V6 Go to Step 4
4 1 Turn on the high beam headlamps.
2 Turn the HVAC fan control to the highest speed setting.
3 Turn on the rear window demister.
4 Increase the engine speed to 1,500 r.p.m.
5 Using a multimeter set to measure voltage, probe across the battery terminals.
Does the multimeter display 12.5 – 14.5 V? Go to Step 5 Refer to
6D1-1 Charging system – V6
5 1 Increase the engine speed to 1,500 r.p.m.
2 On Tech 2 select: Data Display / Transmission Data
Does Tech 2 display the Ignition Voltage parameter within 12.5 –
14.5 V? Check for an
intermittent fault in the circuit, refer to
8A Electrical-Body
and Chassis Go to Step 6
6
Check the fuses EB-4 and C-8 for serviceability.
Are the fuses serviceable?
Go to Step 7 Replace the
affected fuse(s). If the fuse(s) blow
again, check for a short to ground in the fuses circuit
Go to Step 13
7 1 Turn off the ignition.
2 Disconnect the TCM connector C-96.
3 Using a multimeter set to measure voltage, probe between connector C-96 pin 32 and a known ground.
Does the multimeter display battery voltage? Go to Step 8 Check measured
circuits for an open,
high resistance or short to ground
Repair or replace
the affected circuit

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ISUZU KB P190 2007

Automatic Transmission – 4L60E – Electrical Diagnosis Page 7C2–39
Conditions for Setting the DTC
The TCM detects system voltage greater than 18 V for 10 seconds.
Action Taken When the DTC Sets
•
The TCM does not request the engine control module (ECM) to illuminate the MIL.
• The TCM records the operating conditions when the conditions for setting the DTC are met. The TCM records this
information as a Failure Record.
• The TCM stores DTC P0563 in TCM history.
Conditions for Clearing the DTC
•
The TCM clears the DTC from TCM history if the vehicle completes 40 warm-up cycles without a non-emission
related diagnostic fault occurring.
• Tech 2 can clear the DTC.
Diagnostic Aids
• Observe the instrument cluster’s multi-function display for messaging that would indicate the electrical system
requires service.
• Use Tech 2 to inspect all other modules for voltage related DTCs.
• Running the engine with a battery charger attached may cause DTC P0563 to set.
• Inspect the charging circuit for high resistance.
• Inspect the vehicle battery for open or sulphated cells.
Test Description
The following numbers refer to the step numbers in the diagnostic table:
3 The alternator warning indicator will illuminate if there is a problem with the charging system of the vehicle.
4 Checks the charging system voltage with a minimal load.
5 Checks if there is a difference between the Tech 2 reading and the voltage measure in an earlier step.
DTC P0563 Diagnostic Table
Step Action Yes No
1 Has the Diagnostic System Check been performed?
Go to Step 2 Refer to
4.7 Diagnostic System Check

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ISUZU KB P190 2007

Automatic Transmission – 4L60E – Electrical Diagnosis Page 7C2–40
Step Action Yes No
2 1 Connect Tech 2 to the DLC.
2 Turn on the ignition, with the engine off.
NOTE
Before clearing the DTC, use the Tech 2 Freeze
Frame/Failure Record to record the transmission
parameters at the time the DTC set. Using Tech 2 to clear
the DTC(s) erases the Freeze Frame/Failure Record
records from the TCM.
3 On Tech 2 select: Transmission / Automatic Transmission / Diagnostic
Trouble Codes / Freeze Frame.
4 Select the relevant DTC and note the parameters at the time of the DTC setting.
5 On Tech 2 select:
Diagnostic Trouble Codes / Clear Engine & Transmission
DTCs.
6 Follow the instructions on Tech 2 and clear the DTCs.
7 On Tech 2 select: Diagnostic Trouble Codes / Read DTC Information.
Has DTC P0562 set? Refer to
4.10 DTC
P0562 – System
Voltage Low Go to Step 3
3 1 Start the engine.
2 Allow the engine to warm up to normal operating temperature.
Is the alternator fail warning indicator illuminated? Refer to
6D1-1 Charging system – V6 Go to Step 4
4 1 Turn off all electrical accessories.
2 Increase the engine speed to 2,000 r.p.m.
3 Using the multimeter set to measure voltage, probe across the battery terminals. Record the measurement for reference.
Does the multimeter display 12.5 – 14.5 V? Go to Step 5 Refer to
6D1-1 Charging system – V6
5 1 Leave the engine running.
2 On Tech 2 select: Data Display / Transmission Data
and observe the Ignition Voltage on Tech 2.
3 Increase the engine speed to 2,000 r.p.m.
Is the difference between the voltage displayed on Tech 2 and the
voltage measurement in Step 4 greater than 1.0 V? Go to Step 7 Go to Step 6
6 Did DTC P0563 reset?
Go to Step 7 Check for an
intermittent fault in the circuit, refer to
8A Electrical-Body and Chassis
7 Replace the TCM, refer to 7C4 Automatic Transmission – 4L60E –
On-vehicle Servicing.
Is the action complete? Go to Step 8 —

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–5
2 Maintenance Operations
2.1 Transmission Fluid
When adding or changing the transmission fluid, use only the recommended automatic transmission fluid, refer to
0B Maintenance and Lubrication.
For the automatic transmission fluid diagnosis, refer to 7C3 Automatic Transmission – 4L60E – Hydraulic and
Mechanical Diagnosis.
Transmission Fluid Colour
New transmission fluid is red in colour due to a dye that is added to the fluid so it can be distinguished from other oils and
lubricants. The red dye is not permanent and as such, is not an indicator of the quality of the fluid.
As the vehicle is driven the transmission fluid will quickly look darker in colour and appear to be a light brown. A dark
brown colour with a distinctively burnt odour may indicate fluid deterioration and the need for fluid replacement.
NOTE
A dark brown fluid colour observed, coupled with
a reported delayed shift pattern may only indicate
that fluid replacement is required. This is not a
definite indication of a potential transmission
failure.
Transmission Fluid Level
NOTE
Carry out this operation with the transmission at
normal operating temperature (82 – 94°C), as the
temperature greatly affects the fluid level.
1 Drive the vehicle for a distance of at least 25 km to bring the transmission up to normal operating temperature.

If the transmission is not at normal operating
temperature and the correct procedure is not
followed, the result could be a false reading of
the fluid level on the transmission fluid
indicator.
2 If the vehicle has been operated under any of the following conditions, switch the engine off and allow the transmission to cool for approximately thirty minutes:
• in high ambient temperatures above 32° C,
• at sustained high speeds,
• in heavy stop / start city traffic during hot weather, or
• towing.
3 Park the vehicle on level ground.
4 Move the gear selector to the Park position and apply the park brake.
5 Allow the engine to idle for 3 minutes with the accessories turned off.

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–6
6 Lift the locking lever (1) on the transmission fluid
indicator, then remove the indicator from the filler
tube (2) and check the fluid colour, condition and level.

Do not overfill the transmission. Overfilling
can cause aeration resulting in fluid loss,
shift complaints and possible damage to the
transmission.
7 If the transmission fluid level is low, add only enough of the recommended fluid until
its level shows onto the
crosshatch hot area (3) of the fluid indicator.
Figure 7C4 – 1
2.2 Reverse Flush and Flow Rate Test
It is essential to perform a reverse flush and oil cooler flow rate test after any of the following:
• the transmission is repaired or replaced,
• fluid contamination is suspected, or
• whenever the oil pump and/or torque converter is replaced.
NOTE
The reverse flush must be completed prior to
conducting a flow rate test.
Reverse Flush
1 Disconnect both cooler hose/line assemblies at the transmission and at the radiator cooler, refer to 3.17 Transmission Cooler Line/Hose Assemblies.
2 Check the cooler hose/line to radiator cooler fittings for damage, replace as required.

To avoid personal injury, wear safety glasses
when using compressed air.
3 Carefully check the radiator cooler lower fitting to see if any foreign material is evident at this point. If foreign material is found, remove it with a suitable tool and/or compressed air at a reduced pressure of approximately
345 kPa blown in the reverse direction through the cooler.
4 Using compressed air at a reduced pressure of approximately 345 kPa blown in a reverse direction, clean the cooler hose/line assemblies.
5 Reconnect the cooler outlet line to the transmission and both cooler hose/line assemblies to the radiator cooler fittings, refer to 3.17 Transmission Cooler Line/Hose Assemblies.
NOTE
Do not reconnect the cooler inlet line at the
transmission end. This line needs to be left
disconnected to perform the flow rate test.
6 Perform the flow rate test, refer to Flow Rate Test in this Section.

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–39
10 Reinstall the plate (2) supporting the spacer plate and
tighten the three attaching bolts (1) to the correct
torque specification.
Spacer plate support plate attaching
bolt torque specification ..................................... 12.0 Nm
11 Reinstall the control valve body, refer to 3.14 Control Valve Body.
12 Reinstall the Oil pan and filter and fill the transmission with the recommended automatic transmission fluid,
refer to 3.1 Fluid Change and Filter Replacement.
13 Lower vehicle to the ground.
14 Road test until the transmission has reached operating temperature. Re-check the fluid level and for any fluid
leaks from the oil pan area, refer to 2.1 Transmission
Fluid.
Figure 7C4 – 55
3.16 Filler Tube and Breather Hose
Remove
NOTE
The breather hose and/or vent pipe can be
removed independently from the filler tube as
described in step 7.

Disconnection of the battery affects certain
vehicle electronic systems. Refer to 6D1-3
Battery, before disconnecting the battery.
1 Disconnect the battery ground lead.
2 Release the lock down lever (1) and remove the transmission fluid level indicator from the filler tube (2).

Figure 7C4 – 56
3 Remove the bolt (1) attaching the filler tube (2) to the side of the right-hand cylinder head, refer to Figure 7C4 – 57.
4 Using a twisting and pulling motion, remove the filler tube from the seal (3) in the transmission case.

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–43

If the verifier disc does not clip into place, the
quick-connect fitting is not engaged, rectify
as required.
10 As a security check, push and clip each verification disc into place over the quick-connect fittings. If difficulty is experienced, repeat the installation process until the verification disc can be clipped into place over the radiator
quick-connect fitting.
11 Snap the outlet cooler line (4) in the clip (5) of the radiator fan shroud.
12 Ensure the routeing of the cooler lines is correct and there is no fouling of the lines.
13 Tighten the screw attaching the cooler lines bracket to the correct torque specifications.
Transmission cooler lines bracket
attaching screw torque specification .................. 23.0 Nm
14 If required, top up the transmission fluid level (cold).
15 Start the engine and check for any fluid leak at the fittings. If a leak is found, stop the engine and rectify the leak.
16 Check and top up the transmission fluid to the correct level as required, refer to 2.1 Transmission Fluid.
3.18 Transmission Assembly
Remove

Disconnection of the battery affects certain
vehicle electronic systems. Refer to 6D1-3
Battery, before disconnecting the battery.
1 Disconnect the battery ground lead.
2 Raise the vehicle and support in a safe manner, refer to 0A General Information for the location of support points.
3 Remove the heat shield from the neutral start and back-up lamp switch, gently prise the selector cable from the transmission external manual shaft linkage and remove the selector cable from the bracket, refer to
3.3 Selector Cable Assembly.
4 Disconnect the harness connectors from the following:
a Vehicle speed sensor, refer to 3.5 Vehicle Speed Sensor.
b Neutral start and back-up switch, refer to 3.4 Neutral Start and Back-up Lamp Switch.
c For the following on four wheel drive vehicles (4W D), refer to 7D Transfer Case and Adaptor Housing:
• neutral switch,
• 2WD – 4WD shift actuator switch,
• speed sensor.
NOTE
If the battery is connected, avoid turning the
ignition switch to the ON position, as the transfer
case control module (TTCM) must first be
removed (memory to be cleared as Check 4W D
Indicator will light).
5 Remove the following components: a Front and centre exhaust assemblies, refer to 6F Exhaust System.

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TRANSMISSION CONTROL SYSTEM (AW30–40LE) 7A2-1
SECTION 7A2
TRANSMISSION CONTROL SYSTEM (AW30–40LE)
TABLE OF CONTENTS

Service Precaution ................................................. 7A2-2
General Description ............................................... 7A2-2
Components Location ........................................ 7A2-3
Operating Condition ........................................... 7A2-4
Electronic Control Diagram ...............................7A2-5
Transmission Control Module (TCM) (1/2) .....7A2-6
Transmission Control Module (TCM) (2/2) .....7A2-7
TCM Point Table ................................................. 7A2-8
TCM Voltage & Resistance Check Sheet .......7A2-9
Control System Diagram ...................................7A2-11
Control and Functions ........................................ 7A2-12
Functions of Input / Output Components ........7A2-15
CAN bus systems in automatic transmission
control (AW 30-40LE) ........................................ 7A2-16
High speed CAN bus .......................................... 7A2-16
Diagnosis ................................................................ 7A2-16
Electronic Diagnosis ........................................... 7A2-16
Check Trans Indicator ........................................ 7A2-16
On-Board Diagnostic (OBD) System Check ...7A2-17
“Check Trans” Check ......................................... 7A2-17
Tech 2 Operating ................................................ 7A2-20
Snapshot Display W ith TIS2000 ................... 7A2-26
Service Programming System (SPS) ............. 7A2-30
OBD Diagnostic Management System ............7A2-33
16 - Terminal Data Link Connector (DLC) ......7A2-34
Clear DTC ............................................................ 7A2-35
DTC Check .......................................................... 7A2-35
Self-diagnosis code (Flash code) display ........7A2-35
TCM Precaution .................................................. 7A2-36
Information On TCM .......................................... 7A2-36
TCM Diagnostic Trouble Codes .......................7A2-38
Diagnostic Trouble Code (DTC) Type
Definitions ........................................................... 7A2-39
DTC P0562 or P0563 (Flash Code 72 or 73) .....7A2-40
DTC P0602 (Flash Code 63) ............................. 7A2-43
DTC P0707 or P0708 (Flash Code 17) ............. 7A2-45
DTC P0712 (Flash Code 15) ............................. 7A2-49
DTC P0713 (Flash Code 16) ............................. 7A2-52
DTC P0717 (Flash Code 14) ............................. 7A2-55
DTC P0722 (Flash Code 11) ............................. 7A2-59
DTC P0741 (Flash Code 43) ............................. 7A2-63
DTC P0742 (Flash Code 53) ............................. 7A2-67
DTC P0746 (Flash Code 45) ............................. 7A2-71
DTC P0751 (Flash Code 41)..............................7A2-74
DTC P0752 (Flash Code 51)..............................7A2-78
DTC P0756 (Flash Code 42)..............................7A2-82
DTC P0757 (Flash Code 52)..............................7A2-86
DTC P0962 or P0963 (Flash Code 35) ..............7A2-90
DTC P0973 or P0974 (Flash Code 31) ..............7A2-93
DTC P0976 or P0977 (Flash Code 32) ..............7A2-97
DTC P1790 (Flash Code 61)..............................7A2-101
DTC P1791 (Flash Code 62)..............................7A2-103
DTC P2769 or P2770 (Flash Code 33) ..............7A2-105
DTC P2773 or 2774 (Flash Code 75) ................7A2-109
DTC U2104 (Flash Code 65) .............................7A2-112
DTC U2105 (Flash Code 67) .............................7A2-116


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