Honda Ridgeline. Manual — part 336
SJC8A00K80100081810FAAT01
SJC8A00K80100081840FAAT01
−
−
−
−
−
−
DTC 81:
DTC 84:
YES
NO
YES
NO
YES
NO
19-81
19-81
Central Processing Unit (CPU)
Steering Angle Sensor No Center
Point Writing
1. Clear the DTCs with the HDS (see page 19-41).
2. Turn the ignition switch OFF, then turn the ignition
switch ON (II).
3. Check for DTCs with the HDS (see page 19-41).
Replace the VSA modulator-control unit
(see page 19-94).
Intermittent failure, the system is OK at this
time.
1. Check for DTCs with the HDS (see page 19-41).
Troubleshoot other DTCs, and recheck.
Go to step 2.
2. Do the steering angle sensor center point writing
with the HDS (see page 19-92).
3. Turn the ignition switch OFF, then turn it ON (II).
4. Check for DTCs with the HDS (see page 19-41).
Replace the steering angle sensor (see page
19-91), then do the steering angle sensor center
point writing (see page 19-92).
Intermittent failure, the system is OK at this
time.
Does the ABS indicator come on, and is DT C 81
indicated?
Ar e any DT Cs indicated with DT C 84 at the same
time?
Does the V SA activation indicator come on, and is
DT C 84 indicated?
01
02
SJC8A00K80100081910FAAT01
−
−
−
−
−
−
−
−
−
−
−
−
DTC 91:
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
19-82
VSA System Components
DTC Troubleshooting (cont’d)
STEERING ANGLE SENSOR 5P CONNECTOR
CAN-H (WHT)
CAN-L (RED)
STEERING ANGLE SENSOR 5P CONNECTOR
IG1 (GRN/WHT)
F-CAN Communication
1. Check for PGM-FI DTCs (see page 11-3).
Troubleshoot the PGM-FI DTCs, then
recheck.
Go to step 2.
2. Connect the HDS to the DLC.
3. Turn the ignition switch ON (II).
4. Check STEERING ANGLE in the VSA DATA LIST
with the HDS.
Go to step 5.
Go to step 9.
5. Check YAW RATE S and LATERAL G SENSOR in
the VSA DATA LIST with the HDS.
Go to step 6.
Go to step 16.
6. Clear the DTCs with the HDS.
7. Turn the ignition switch OFF, then turn it ON (II).
8. Check for DTCs with the HDS (see page 19-41).
Check for loose terminals in the VSA
modulator-control unit 46P connector. If
connections are good, replace the VSA modulator-
control unit (see page 19-94).
Intermittent failure, the system is OK at this
time.
9. Turn the ignition switch OFF.
10. Disconnect the steering angle sensor 5P connector.
11. Check for continuity between steering angle sensor
5P connector terminals No. 2 and No. 4.
Go to step 12.
Repair open in the wire between the steering
angle sensor and the VSA modulator-control
unit.
12. Turn the ignition switch ON (II).
13. Measure voltage between steering angle sensor 5P
terminal No. 5 connector and body ground.
Go to step 14.
Repair open or high resistance in the wire
between No. 31 (7.5 A) fuse in the under-dash fuse/
relay box and the steering angle sensor.
Wire side of female terminals
Wire side of female terminals
Ar e any DT Cs indicated?
Does ST EERING ANGLE show cor r ect value?
Ar e the Y AW RAT E S and LAT ERAL G SENSOR
values cor r ect?
Does the V SA indicator come on, and is DT C 91
indicated?
Is ther e continuity?
Is ther e batter y voltage?
03
04
05
06
−
−
−
−
−
−
−
−
YES
NO
YES
NO
YES
NO
YES
NO
19-83
STEERING ANGLE SENSOR 5P CONNECTOR
S-GND (YEL/BLK)
YAW RATE-LATERAL ACCELERATION
SENSOR 4P CONNECTOR
CAN-H
(WHT)
CAN-H
(RED)
YAW RATE-LATERAL ACCELERATION
SENSOR 4P CONNECTOR
IG1
(GRN/WHT)
YAW RATE-LATERAL ACCELERATION
SENSOR 4P CONNECTOR
S-GND (YEL/BLK)
14. Turn the ignition switch OFF.
15. Check for continuity between steering angle sensor
5P connector terminal No. 1 and body ground.
Replace the steering angle sensor (see page
19-91).
Repair open in the wire between the steering
angle sensor and the VSA modulator-control
unit.
16. Turn the ignition switch OFF.
17. Disconnect the yaw rate-lateral acceleration sensor
4P connector.
18. Check for continuity between yaw rate-lateral
acceleration sensor 4P connector terminals No. 2
and No. 3.
Go to step 19.
Repair open in the wire between the yaw rate-
lateral acceleration sensor and the VSA modulator-
control unit.
19. Turn the ignition switch ON (II).
20. Measure voltage between yaw rate-lateral
acceleration sensor 4P connector terminal No. 1
and body ground.
Go to step 21.
Repair open or high resistance in the wire
between No. 31 (7.5 A) fuse in the under-dash fuse/
relay box and the yaw rate-lateral acceleration
sensor.
21. Turn the ignition switch OFF.
22. Check for continuity between yaw rate-lateral
acceleration sensor 4P connector terminal No. 4
and body ground.
Replace the yaw rate-lateral acceleration
sensor (see page 19-92).
Repair open in the wire between the yaw rate-
lateral acceleration sensor and the VSA modulator-
control unit.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is ther e continuity?
Is ther e continuity?
Is ther e batter y voltage?
Is ther e continuity?
SJC8A00K80100081920FAAT00
SJC8A00K80100081970FAAT00
−
−
−
−
−
−
−
−
−
−
DTC 92:
DTC 97:
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
19-84
19-84
VSA System Components
DTC Troubleshooting (cont’d)
F-CAN System
VSA System
1. Check the PGM-FI DTCs (see page 11-3).
Troubleshoot the PGM-FI DTCs, then
recheck.
Go to step 2.
2. Clear the DTCs with the HDS (see page 19-41).
3. Turn the ignition switch OFF, then turn it ON (II).
4. Connect the HDS, and check for DTCs with the HDS
(see page 19-41).
Check for loose terminals in the VSA
modulator-control unit 46P connector. If
connections are good, replace the VSA modulator-
control unit (see page 19-94).
Intermittent failure, the system is OK at this
time.
1. Check for DTCs with the HDS (see page 19-41).
Go to step 3.
Go to step 2.
2. Check the brake system for leaks or mechanical
problems.
Go to step 3.
Repair the brake system, then recheck.
3. Clear the DTCs with the HDS (see page 19-41).
4. Test-drive the vehicle in a straight line. Accelerate
the vehicle up to 6 mph (10 km/h), and stop, then
accelerate up to 6 mph (10 km/h).
5. Check for DTCs with the HDS (see page 19-41).
Replace the VSA modulator-control unit
(see page 19-94).
Intermittent failure, the system is OK at this
time.
Ar e any DT Cs indicated?
Does the V SA indicator come on, and is DT C 92
indicated?
Ar e DT Cs 7 2, 7 4, and/ or 7 6 indicated with
DT C 97 at the same time?
Is the br ake system OK ? ( br ake f luid leakage, air
tr apped in the br ake system, br ake pads wor n out)
Does the V SA indicator come on, and is DT C 97
indicated?
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