Page 643 of 6020
5A-50 BRAKE CONTROL SYSTEM
DTC C0222 (Flash Code 22) Front Right Wheel Speed Sensor Signal
Malfunction
RTW 75AMF001301
Step Action Value(s) Yes No
1 W ere the steps of the “Basic Diagnostic Flow Chart” performed?
- Go to Step 2 Go to Basic
Diagnostic
Flow Chart
2 1. Check the tire for the following conditions.
• Tire specification
• W ear of the outer surface
2. If a problem is found, repair as necessary. W as a problem found? - Verify repair Go to Step 3
3 Note:
This DTC is set when certain tire is rotated alone.
Has certain tire been rotated alone by performing for
lift-up or roller tester? - Verify repair Go to Step 4
4 Is the front right wheel bearing rattling?
- Go to Step 11 Go to Step 5
5 Is the front right wheel speed sensor or the sensor
rotor rattling? - Go to Step 12 Go to Step 6
6 Is iron powder attached to the front right wheel speed
sensor or the sensor rotor? - Go to Step 13 Go to Step 7
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TO MODEL INDEX
ISUZU KB P190 2007
Page 644 of 6020
BRAKE CONTROL SYSTEM 5A-51
Step Action Value(s) Yes No
7 Check the front right wheel speed sensor. Refer to
"W heel Speed Sensor Inspection procedure"
W as a problem found? - Go to Step 10 Go to Step 8
8 Does the sensor rotor have missing tooth or saw- toothed? - Go to Step 14 Go to Step 9
9 1. Clear the DTC.
2. Test run the vehicle, and check the DTC. Is the DTC displayed repeatedly? - Go to Step 18 Go to Step 17
10 Is the wheel speed sensor damaged or saw-toothed?
- Go to Step 15 Go to Step 16
11 Adjust the preload of the wheel bearing.
Is the action complete? - Verify repair -
12 Repair or replace the front right speed sensor or the
sensor rotor.
Is the action complete? - Verify repair -
13 Repair the front right speed sensor or the sensor rotor.
Is the action complete? - Verify repair -
14 Replace the sensor rotor. Is the action complete? - Verify repair -
15 Replace the front right wheel speed sensor.
Is the action complete? - Verify repair -
16 Repair or replace the front right speed sensor
circuits.
Is the action complete? - Verify repair -
17 Check the connection btween the EHCU and the front right wheel speed sensor and repair as
necessary Refer to "Note on Intermittents".
Is the action complete? - Verify repair -
18 Replace EHCU.
Note: Check the EHCU type for specification, when
the EHCU is replaced.
(Specification ; 2W D model or 4W D model)
Is the action complete? - Verify repair -
BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007
Page 647 of 6020
5A-54 BRAKE CONTROL SYSTEM
DTC C0226 (Flash Code 26) Front Left Wheel Speed Sensor Signal
Malfunction
RTW 75AMF001301
Step Action Value(s) Yes No
1 W ere the steps of the “Basic Diagnostic Flow Chart” performed?
- Go to Step 2 Go to Basic
Diagnostic
Flow Chart
2 1. Check the tire for the following conditions.
• Tire specification
• W ear of the outer surface
2. If a problem is found, repair as necessary. W as a problem found? - Verify repair Go to Step 3
3 Note:
This DTC is set when certain tire is rotated alone.
Has certain tire been rotated alone by performing for
lift-up or roller tester? - Verify repair Go to Step 4
4 Is the front right wheel bearing rattling?
- Go to Step 11 Go to Step 5
5 Is the front right wheel speed sensor or the sensor
rotor rattling? - Go to Step 12 Go to Step 6
6 Is iron powder attached to the front left wheel speed
sensor or the sensor rotor? - Go to Step 13 Go to Step 7
BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007
Page 648 of 6020
BRAKE CONTROL SYSTEM 5A-55
Step Action Value(s) Yes No
7 Check the front left wheel speed sensor. Refer to
"W heel Speed Sensor Inspection procedure"
W as a problem found? - Go to Step 10 Go to Step 8
8 Does the sensor rotor have missing tooth or saw- toothed? - Go to Step 14 Go to Step 9
9 1. Clear the DTC.
2. Test run the vehicle, and check the DTC. Is the DTC displayed repeatedly? - Go to Step 18 Go to Step 17
10 Is the wheel speed sensor damaged or saw-toothed?
- Go to Step 15 Go to Step 16
11 Adjust the preload of the wheel bearing.
Is the action complete? - Verify repair -
12 Repair or replace the front left speed sensor or the
sensor rotor.
Is the action complete? - Verify repair -
13 Repair the front left speed sensor or the sensor rotor. Is the action complete? - Verify repair -
14 Replace the sensor rotor.
Is the action complete? - Verify repair -
15 Replace the front left wheel speed sensor.
Is the action complete? - Verify repair -
16 Repair or replace the front left speed sensor circuits.
Is the action complete? - Verify repair -
17 Check the connection btween the EHCU and the
front left wheel speed sensor and repair as
necessary Refer to "Note on Intermittents".
Is the action complete? - Verify repair -
18 Replace EHCU.
Note: Check the EHCU type for specification, when
the EHCU is replaced.
(Specification ; 2W D model or 4W D model)
Is the action complete? - Verify repair -
BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007
Page 651 of 6020
5A-58 BRAKE CONTROL SYSTEM
DTC C0232 (Flash Code 32) Rear Right Wheel Speed Sensor Signal
Malfunction
RTW 75AMF001301
Step Action Value(s) Yes No
1 W ere the steps of the “Basic Diagnostic Flow Chart”
performed?
- Go to Step 2 Go to Basic
Diagnostic
Flow Chart
2 1. Check the tire for the following conditions.
• Tire specification
• W ear of the outer surface
2. If a problem is found, repair as necessary. W as a problem found? - Verify repair Go to Step 3
3 Note:
This DTC is set when certain tire is rotated alone.
Has certain tire been rotated alone by performing for
lift-up or roller tester? - Verify repair Go to Step 4
4 Is the rear right wheel bearing rattling?
- Go to Step 11 Go to Step 5
5 Is the rear right wheel speed sensor or the sensor
rotor rattling? - Go to Step 12 Go to Step 6
6 Is iron powder attached to the rear right wheel speed
sensor or the sensor rotor? - Go to Step 13 Go to Step 7
BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007
Page 652 of 6020
BRAKE CONTROL SYSTEM 5A-59
Step Action Value(s) Yes No
7 Check the rear right wheel speed sensor. Refer to
"W heel Speed Sensor Inspection procedure"
W as a problem found? - Go to Step 10 Go to Step 8
8 Does the sensor rotor have missing tooth or saw- toothed? - Go to Step 14 Go to Step 9
9 1. Clear the DTC.
2. Test run the vehicle, and check the DTC. Is the DTC displayed repeatedly? - Go to Step 18 Go to Step 17
10 Is the wheel speed sensor damaged or saw-toothed?
- Go to Step 15 Go to Step 16
11 Repair or replace the wheel bearing.
Is the action complete? - Verify repair -
12 Repair or replace the rear right speed sensor or the
sensor rotor.
Is the action complete? - Verify repair -
13 Repair the rear right speed sensor or the sensor rotor.
Is the action complete? - Verify repair -
14 Replace the sensor rotor. Is the action complete? - Verify repair -
15 Replace the rear right wheel speed sensor.
Is the action complete? - Verify repair -
16 Repair or replace the rear right speed sensor circuits.
Is the action complete? - Verify repair -
17 Check the connection btween the EHCU and the rear
right wheel speed sensor and repair as necessary
Refer to "Note on Intermittents".
Is the action complete? - Verify repair -
18 Replace EHCU.
Note: Check the EHCU type for specification, when
the EHCU is replaced.
(Specification ; 2W D model or 4W D model)
Is the action complete? - Verify repair -
BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007
Page 655 of 6020
5A-62 BRAKE CONTROL SYSTEM
DTC C0236 (Flash Code 36) Rear Left Wheel Speed Sensor Signal Malfunction
RTW 75AMF001301
Step Action Value(s) Yes No
1 W ere the steps of the “Basic Diagnostic Flow Chart”
performed?
- Go to Step 2 Go to Basic
Diagnostic
Flow Chart
2 1. Check the tire for the following conditions.
• Tire specification
• W ear of the outer surface
2. If a problem is found, repair as necessary. W as a problem found? - Verify repair Go to Step 3
3 Note:
This DTC is set when certain tire is rotated alone.
Has certain tire been rotated alone by performing for
lift-up or roller tester? - Verify repair Go to Step 4
4 Is the rear left wheel bearing rattling?
- Go to Step 11 Go to Step 5
5 Is the rear left wheel speed sensor or the sensor
rotor rattling? - Go to Step 12 Go to Step 6
6 Is iron powder attached to the rear left wheel speed
sensor or the sensor rotor? - Go to Step 13 Go to Step 7
7 Check the rear left wheel speed sensor. Refer to
"W heel Speed Sensor Inspection procedure"
W as a problem found? - Go to Step 10 Go to Step 8
BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007
Page 656 of 6020
BRAKE CONTROL SYSTEM 5A-63
Step Action Value(s) Yes No
8 Does the sensor rotor have missing tooth or saw-
toothed? - Go to Step 14 Go to Step 9
9 1. Clear the DTC.
2. Test run the vehicle, and check the DTC. Is the DTC displayed repeatedly? - Go to Step 18 Go to Step 17
10 Is the wheel speed sensor damaged or saw-toothed?
- Go to Step 15 Go to Step 16
11 Repair or replace the wheel bearing.
Is the action complete? - Verify repair -
12 Repair or replace the rear left speed sensor or the
sensor rotor.
Is the action complete? - Verify repair -
13 Repair the rear left speed sensor or the sensor rotor. Is the action complete? - Verify repair -
14 Replace the sensor rotor.
Is the action complete? - Verify repair -
15 Replace the rear left wheel speed sensor.
Is the action complete? - Verify repair -
16 Repair or replace the rear left speed sensor circuits.
Is the action complete? - Verify repair -
17 Check the connection btween the EHCU and the rear
left wheel speed sensor and repair as necessary
Refer to "Note on Intermittents".
Is the action complete? - Verify repair -
18 Replace EHCU.
Note: Check the EHCU type for specification, when
the EHCU is replaced.
(Specification ; 2W D model or 4W D model)
Is the action complete? - Verify repair -
BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007
