2007 ISUZU KB P190 Workshop Repair Manual

MPG fuse diagram open gas tank low oil pressure towing key fob

Page 4409 of 6020

ISUZU KB P190 2007 Workshop Repair Manual TRANSMISSION CONTROL SYSTEM (JR405E) 7A2-125
Road Test
Road Test Procedure
*1: Shifting at high vehicle speed, the transmission may
hold the gear position until vehicle speed gets down to
prevent

TRANSMISSION CONTROL SYSTEM (JR405E) 7A2-125
Road Test
Road Test Procedure
*1: Shifting at high vehicle speed, the transmission may
hold the gear position until vehicle speed gets down to
prevent engine overruning.
Notice: Perform this test at the normal transmission
fluid temperature between 50 to 80 °C (122 to 176 °F).
Drive the vehicle on level ground so as not to change to
up slope mode and down slope mode.
1. D range road test in normal and power drive mode. • Select into the D range and hold the accelerator pedal constant at the 50% and 100% accelerator
pedal position.
• 1 to 2, 2 to 3, 3 to 4 upshift and lock up should take place, and shift points should match those shown
in the shift speed chart.
• Also check to see that downshift is made from 4 to 3, 3 to 2 and 2 to 1 point is within the limits shown
in the shift speed chart.
2. 3 range road test in normal and power drive mode. • Select into the 3 range and hold the accelerator pedal constant at the 50% and 100% accelerator
pedal position.
• 1 to 2, 2 to 3 upshift and lock up should take place, and shift points should match those shown in the
shift speed chart.
• While running in the 3 range, does not upshift from 3 to 4.
3. 2 range road test in normal mode. • Select into the 2 range and hold the accelerator
pedal constant at the 50% and 100% accelerator
pedal position.
• 1 to 2 upshift should take place, and shift points should match those shown in the shift speed chart.
• While running in the 2 range, does not upshift from 2 to 3 or 3 to 4, and lock-up does not operate.
4. L range road test in normal mode.
• While running in the L range, does not upshift from 1 to 2, 2 to 3 or 3 to 4, and lock-up does not
operate.
5. R range road test. • Select into the R range and check for slipping.
6. P range road test. • Stop the vehicle on a grade and release the park brake after selecting into the P range. Then check
to see that the parking lock pawl holds the vehicle
in place.
Diagnosis 1. If there is no 1 to 2 upshift.• Faulty operation of 2-4 brake
• Faulty operation of 2-4 brake hydraulic circuits
• Sticking of 2-4 brake solenoid valve
• Refer to symptom diagnosis No. D1: Faulty Gear Shifting or DTC P0731 - P0734 Incorrect Gear
Ratio diagnosis.
2. If there is no 2 to 3 upshift.
• Faulty operation of high clutch
• Faulty operation of high clutch hydraulic circuits
• Sticking of high clutch solenoid valve
• Refer to symptom diagnosis No. D1: Faulty Gear Shifting or DTC P0731 - P0734 Incorrect Gear
Ratio diagnosis.
3. If there is no 3 to 4 upshift.
• Faulty operation of 2-4 brake
• Faulty operation of 2-4 brake hydraulic circuits
• Sticking of 2-4 brake solenoid valve
• Refer to symptom diagnosis No. D1: Faulty Gear Shifting or DTC P0731 - P0734 Incorrect Gear
Ratio diagnosis.
4. If there is no lock up in 2nd, 3rd and 4th. • Faulty operation of torque converter clutch (TCC) piston
• Faulty operation of lock up hydraulic circuit
• Sticking of TCC solenoid valve
• Refer to symptom diagnosis No. I1: No Lock-up
5. If there is no reverse. • Faulty operation of reverse clutch
• Faulty operation of reverse clutch hydraulic circuits
• Faulty operation of low & reverse brake hydraulic circuits
Selector lever
position GearshiftSelected gear
position
P
R
N
D
3
2
L 1st
2nd 3rd4th1st
2nd 3rd
4th(*1) 1st
2nd
3rd(*1) 4th(*1) 1st
2nd(*1) 3rd(*1)4th(*1)
Reverse

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Page 4410 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 7A2-126 TRANSMISSION CONTROL SYSTEM (JR405E)
• Sticking of low & reverse brake solenoid valve
• Refer to symptom diagnosis No. A2: Vehicle Dose Not Run in R Range
6. If there is no parking. •

Page 4411 of 6020

ISUZU KB P190 2007 Workshop Repair Manual TRANSMISSION CONTROL SYSTEM (JR405E) 7A2-127
RTW77AXF001001
0
10
20
30
40
50
60
70
80
90
100
0
10
20
30
40
50
60
70
80
90
100
Normal mode/ Final gear ratio 41/11 (3.727)/ Tire size 215/70R1

Page 4412 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 7A2-128 TRANSMISSION CONTROL SYSTEM (JR405E)
RTW77AXF001101
0
10
20
30
40
50
60
70
80
90
100
Accelerator pedal position (%)
Vehicle speed (km/h)
0 10 20 30 40 50 60 70 80 90 100 110 120 130 1

Page 4413 of 6020

ISUZU KB P190 2007 Workshop Repair Manual TRANSMISSION CONTROL SYSTEM (JR405E) 7A2-129
RTW77AXF001201
0
10
20
30
40
50
60
70
80
90
100
Accelerator pedal position (%)
Vehicle speed (km/h)
0 10 20 30 40 50 60 70 80 90 100 110 120 130 1

Page 4414 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 7A2-130 TRANSMISSION CONTROL SYSTEM (JR405E)
RTW77AXF001301
0
10
20
30
40
50
60
70
80
90
100
0
10
20
30
40
50
60
70
80
90
100
Normal mode/ Final gear ratio 43/10 (4.300)/ Tire size 245/70R

Page 4415 of 6020

ISUZU KB P190 2007 Workshop Repair Manual TRANSMISSION CONTROL SYSTEM (JR405E) 7A2-131
RTW77AXF001401
0
10
20
30
40
50
60
70
80
90
100
Accelerator pedal position (%)
Vehicle speed (km/h)
0 10 20 30 40 50 60 70 80 90 100 110 120 130

Page 4416 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 7A2-132 TRANSMISSION CONTROL SYSTEM (JR405E)
Shift Speed Table
Euro 3 specification engine
Final gear ratio & tire size 41/11 (3.727) & 215/70R15
43/10 (4.300) & 245/70R16
Gear Accel.
pedal
po

Load next 8 pages

Page: < prev 1-10 ... 4377-4384 4385-4392 4393-4400 4401-4408 4409-4416 4417-4424 4425-4432 4433-4440 4441-4448 ... 6024 next >

headlamp handbrake remote control fog light hood open warning