ACURA CSX 2006 Service Repair Manual


How to Use the HDS (Honda Diagnostic
System)How to Retrieve DTCs
How to Clear DTCs
19-99
A
1. If the system indicators stay on, connect the HDS to
the data link connector (DLC) (A) located under the
driver’s side of the dashboard.
2. Turn the ignition switch to ON (II).
3. Make sure the HDS communicates with the vehicle and the VSA modulator-control unit. If it doesn’t,
troubleshoot the DLC circuit (see page 11- 204).
4. Check the diagnostic trouble code (DTC) for all systems, troubleshoot the powertrain DTCs first
and note it. Then refer to the indicated DTC’s
troubleshooting, and do the appropriate
troubleshooting procedure.
NOTE: The HDS communication stops when the vehicle speed is at 50 km/h (31 mph) or more.
 The HDS reads the DTC, current data, and other system data.
 For specific operations, refer to the Help menu that came with the HDS. 1. With the ignition switch in LOCK (0), connect the
HDS to the data link connector (DLC) under the
driver’s side of the dashboard.
2. Turn the ignition switch to ON (II).
3. Make sure the HDS communicates with the vehicle and the VSA modulator-control unit. If it doesn’t
troubleshoot the DLC circuit (see page 11-204).
4. Follow the prompts on the HDS to display the DTC(s) on the screen. After determining the DTC,
refer to the DTC troubleshooting. Do the all
systems DTC check, and troubleshoot any
powertrain DTCs first.
5. Turn the ignition switch to LOCK (0).
1. With the ignition switch in LOCK (0), connect the HDS to the data link connector (DLC) under the
driver’s side of the dashboard.
2. Turn the ignition switch to ON (II).
3. Make sure the HDS communicates with the vehicle and the VSA modulator-control unit. If it doesn’t
troubleshoot the DLC circuit (see page 11-204).
4. Clear the DTC(s) by following the screen prompts on the HDS.
5. Turn the ignition switch to LOCK (0).
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DTCDetection Item ABS
Indicator Brake
System
Indicator VSA
Indicator VSA
Activation Indicator Note
19-100VSA System Components
DTC Troubleshooting Index
11 -13 Right-front Wheel Speed Sensor Circuit Malfunction ON ON/OFF ON ON (see page 19-117)
12 -11 Right-front Wheel Speed Sensor Electrical Noise or
Intermittent Interruption ON ON/OFF ON ON (see page 19-120)
-12 Right-front Wheel Speed Sensor Short to the Other Sensor Circuit ON ON/OFF ON ON (see page 19-121)
-21 Right-front Wheel Speed Sensor Installation Error ON ON/OFF ON ON (see page 19-123)
-22 Right-front Wheel Speed Sensor Installation Error (30 km/h (19 mph) or More) ON ON/OFF ON ON (see page 19-124)
-23 Right-front Wheel Speed Sensor Installation Error (0 to 15 km/h (0 to 9 mph)) ON ON/OFF ON ON (see page 19-124)
13 -13 Left-front Wheel Speed Sensor Circuit Malfunction ON ON/OFF ON ON (see page 19-117)
14 -11 Left-front Wheel Speed Sensor Electrical Noise or Intermittent Interruption ON ON/OFF ON ON (see page 19-120)
-12 Left-front Wheel Speed Sensor Short to the Other Sensor Circuit ON ON/OFF ON ON (see page 19-121)
-21 Left-front Wheel Speed Sensor Installation Error ON ON/OFF ON ON (see page 19-123)
-22 Left-front Wheel Speed Sensor Installation Error (30 km/h (19 mph) or More) ON ON/OFF ON ON (see page 19-124)
-23 Left-front Wheel Speed Sensor Installation Error (0 to 15 km/h (0 to 9 mph)) ON ON/OFF ON ON (see page 19-124)
15 -13 Right-rear Wheel Speed Sensor Circuit Malfunction ON ON/OFF ON ON (see page 19-117)
16 -11 Right-rear Wheel Speed Sensor Electrical Noise or Intermittent Interruption ON ON/OFF ON ON (see page 19-120)
-12 Right-rear Wheel Speed Sensor Short to the Other Sensor Circuit ON ON/OFF ON ON (see page 19-121)
-21 Right-rear Wheel Speed Sensor Installation Error ON ON/OFF ON ON (see page 19-123)
-22 Right-rear Wheel Speed Sensor Installation Error (30 km/h (19 mph) or More) ON ON/OFF ON ON (see page 19-124)
-23 Right-rear Wheel Speed Sensor Installation Error (0 to 15 km/h (0 to 9 mph)) ON ON/OFF ON ON (see page 19-124)
17 -13 Left-rear Wheel Speed Sensor Circuit Malfunction ON ON/OFF ON ON (see page 19-117)
18 -11 Left-rear Wheel Speed Sensor Electrical Noise or Intermittent Interruption ON ON/OFF ON ON (see page 19-120)
-12 Left-rear Wheel Speed Sensor Short to the Other Sensor Circuit ON ON/OFF ON ON (see page 19-121)
-21 Left-rear Wheel Speed Sensor Installation Error ON ON/OFF ON ON (see page 19-123)
-22 Left-rear Wheel Speed Sensor Installation Error (30 km/h (19 mph) or More) ON ON/OFF ON ON (see page 19-124)
-23 Left-rear Wheel Speed Sensor Installation Error (0 to 15 km/h (0 to 9 mph)) ON ON/OFF ON ON (see page 19-124)
21 -11 Right-front Magnetic Encoder (Wheel Bearing) Malfunction (Pulse Missing) ON ON/OFF ON ON (see page 19-125)
22 -11 Left-front Magnetic Encoder (Wheel Bearing) Malfunction (Pulse Missing) ON ON/OFF ON ON (see page 19-125)
23 -11 Right-rear Magnetic Encoder (Wheel Bearing) Malfunction (Pulse Missing) ON ON/OFF ON ON (see page 19-125)
24 -11 Left-rear Magnetic Encoder (Wheel Bearing) Malfunction (Pulse Missing) ON ON/OFF ON ON (see page 19-125)
1: Brake system indicator turns ON when two or more wheels fail.1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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DTCDetection Item ABS
Indicator Brake
System
Indicator VSA
Indicator VSA
Activation Indicator Note
19-101
25 Yaw Rate Sensor Internal Circuit Malfunction
(Initial) OFF OFF ON ON (see page 19-126)
-12 Yaw Rate Sensor Internal Circuit Malfunction (Open, Short) OFF OFF ON ON (see page 19-126)
-13 Yaw Rate Sensor Communication Error OFF OFF ON ON (see page 19-126) Yaw Rate/Lateral Acceleration Sensor Circuit High
Voltage OFF OFF ON ON (see page 19-127)
Yaw Rate/Lateral Acceleration Sensor Circuit Low
Voltage OFF OFF ON ON (see page 19-127)
Yaw Rate/Lateral Acceleration Sensor Internal
Circuit Malfunction (Keep Alive Memory (KAM)
Error) OFF OFF ON ON (see page 19-126)
Yaw Rate/Lateral Acceleration Sensor Power
Source Voltage Malfunction OFF OFF ON ON (see page 19-127)
Yaw Rate/Lateral Acceleration Sensor Internal
Circuit Malfunction OFF OFF ON ON (see page 19-126)
Yaw Rate/Lateral Acceleration Sensor Startup Time
Malfunction OFF OFF ON ON (see page 19-127)
-21 Yaw Rate Sensor Neutral Position Malfunction OFF OFF ON ON (see page 19-126)
-22 Yaw Rate Sensor Stuck OFF OFF ON ON (see page 19-128)
-23 Yaw Rate Sensor Circuit Intermittent Interruption OFF OFF ON ON (see page 19-127)
-24 Yaw Rate Sensor Gain Low OFF OFF ON ON (see page 19-128)
-25 Yaw Rate Sensor Gain High OFF OFF ON ON (see page 19-128)
26 Lateral Acceleration Sensor Internal Circuit Malfunction (Initial) OFF OFF ON ON (see page 19-126)
-12 Lateral Acceleration Sensor Internal Circuit Malfunction (Open, Short) OFF OFF ON ON (see page 19-126)
-13 Lateral Acceleration Sensor Communication Error OFF OFF ON ON (see page 19-126)
-21 Lateral Acceleration Sensor Neutral Position Malfunction OFF OFF ON ON (see page 19-129)
-22 Lateral Acceleration Sensor Stuck OFF OFF ON ON (see page 19-129)
-23 Lateral Acceleration Sensor Circuit Intermittent Interruption OFF OFF ON ON (see page 19-129)
-24 Lateral Acceleration Sensor Gain Low OFF OFF ON ON (see page 19-128)
-25 Lateral Acceleration Sensor Gain High OFF OFF ON ON (see page 19-128)
27 -11 Steering Angle Sensor DIAG Signal Error (Initial) OFF OFF ON ON (see page 19-130) -21 Steering Angle Sensor Stuck Neutral Position OFF OFF ON ON (see page 19-132)
-22 Steering Angle Sensor Stuck Offset Position OFF OFF ON ON (see page 19-132)
-23 Steering Angle Sensor Counter Malfunction OFF OFF ON ON (see page 19-135)
-24 Steering Angle Sensor Exchange Malfunction OFF OFF ON ON (see page 19-135)
-26 Steering Angle Sensor DIAG Signal Error (Main) OFF OFF ON ON (see page 19-130)
31 -01 ABS Right-front Inlet Solenoid Valve Malfunction (Solenoid Initial Pulse) ON ON ON ON (see page 19-136)
-21 ABS Right-front Inlet Solenoid Valve Malfunction (Solenoid Pulse) ON ON ON ON (see page 19-136)
-22 ABS Right-front Inlet Solenoid Valve Malfunction (Solenoid Speculative) ON ON ON ON (see page 19-136)
-23 ABS Right-front Inlet Solenoid Valve Malfunction (Solenoid Stuck ON) ON ON ON ON (see page 19-136)
32 -01 ABS Right-front Outlet Solenoid Valve Malfunction (Solenoid Initial Pulse) ON ON ON ON (see page 19-136)
-21 ABS Right-front Outlet Solenoid Valve Malfunction (Solenoid Pulse) ON ON ON ON (see page 19-136)
-22 ABS Right-front Outlet Solenoid Valve Malfunction (Solenoid Speculative) ON ON ON ON (see page 19-136)
-23 ABS Right-front Outlet Solenoid Valve Malfunction (Solenoid Stuck ON) ON ON ON ON (see page 19-136)
2: ’07-08 models
3: ’09 model
(cont’d)-11
-14
-15
-16
-17
-18
-19
-112
2
2
2
3
3
3
2
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DTCDetection Item ABS
Indicator Brake
System
Indicator VSA
Indicator VSA
Activation Indicator Note
19-102VSA System Components
DTC Troubleshooting Index (cont’d)
33 -01 ABS Left-front Inlet Solenoid Valve Malfunction
(Solenoid Initial Pulse) ON ON ON ON (see page 19-136)
-21 ABS Left-front Inlet Solenoid Valve Malfunction (Solenoid Pulse) ON ON ON ON (see page 19-136)
-22 ABS Left-front Inlet Solenoid Valve Malfunction (Solenoid Speculative) ON ON ON ON (see page 19-136)
-23 ABS Left-front Inlet Solenoid Valve Malfunction (Solenoid Stuck ON) ON ON ON ON (see page 19-136)
34 -01 ABS Left-front Outlet Solenoid Valve Malfunction (Solenoid Initial Pulse) ON ON ON ON (see page 19-136)
-21 ABS Left-front Outlet Solenoid Valve Malfunction (Solenoid Pulse) ON ON ON ON (see page 19-136)
-22 ABS Left-front Outlet Solenoid Valve Malfunction (Solenoid Speculative) ON ON ON ON (see page 19-136)
-23 ABS Left-front Outlet Solenoid Valve Malfunction (Solenoid Stuck ON) ON ON ON ON (see page 19-136)
35 -01 ABS Right-rear Inlet Solenoid Valve Malfunction (Solenoid Initial Pulse) ON ON ON ON (see page 19-136)
-21 ABS Right-rear Inlet Solenoid Valve Malfunction (Solenoid Pulse) ON ON ON ON (see page 19-136)
-22 ABS Right-rear Inlet Solenoid Valve Malfunction (Solenoid Speculative) ON ON ON ON (see page 19-136)
-23 ABS Right-rear Inlet Solenoid Valve Malfunction (Solenoid Stuck ON) ON ON ON ON (see page 19-136)
36 -01 ABS Right-rear Outlet Solenoid Valve Malfunction (Solenoid Initial Pulse) ON ON ON ON (see page 19-136)
-21 ABS Right-rear Outlet Solenoid Valve Malfunction (Solenoid Pulse) ON ON ON ON (see page 19-136)
-22 ABS Right-rear Outlet Solenoid Valve Malfunction (Solenoid Speculative) ON ON ON ON (see page 19-136)
-23 ABS Right-rear Outlet Solenoid Valve Malfunction (Solenoid Stuck ON) ON ON ON ON (see page 19-136)
37 -01 ABS Left-rear Inlet Solenoid Valve Malfunction (Solenoid Initial Pulse) ON ON ON ON (see page 19-136)
-21 ABS Left-rear Inlet Solenoid Valve Malfunction (Solenoid Pulse) ON ON ON ON (see page 19-136)
-22 ABS Left-rear Inlet Solenoid Valve Malfunction (Solenoid Speculative) ON ON ON ON (see page 19-136)
-23 ABS Left-rear Inlet Solenoid Valve Malfunction (Solenoid Stuck ON) ON ON ON ON (see page 19-136)
38 -01 ABS Left-rear Outlet Solenoid Valve Malfunction (Solenoid Initial Pulse) ON ON ON ON (see page 19-136)
-21 ABS Left-rear Outlet Solenoid Valve Malfunction (Solenoid Pulse) ON ON ON ON (see page 19-136)
-22 ABS Left-rear Outlet Solenoid Valve Malfunction (Solenoid Speculative) ON ON ON ON (see page 19-136)
-23 ABS Left-rear Outlet Solenoid Valve Malfunction (Solenoid Stuck ON) ON ON ON ON (see page 19-136)
41 -21 Right-front Wheel Lock ON ON/OFF ON ON (see page 19-137)
42 -21 Left-front Wheel Lock ON ON/OFF ON ON (see page 19-137)
43 -21 Right-rear Wheel Lock ON ON/OFF ON ON (see page 19-137)
44 -21 Left-rear Wheel Lock ON ON/OFF ON ON (see page 19-137)
51 -11 Motor Lock ON OFF ON ON (see page 19-138) -12 Motor Lock Circuit Malfunction ON OFF ON ON (see page 19-138)
-13 Motor Relay OFF Malfunction ON OFF ON ON (see page 19-138)
52 -12 Motor Stuck OFF ON OFF ON ON (see page 19-140)
53 -01 Motor Relay Stuck ON 1 ON OFF ON ON (see page 19-141) -12 Motor Relay Stuck ON 2 ON OFF ON ON (see page 19-141)
54 -03 Fail-safe Relay 1 Stuck ON ON ON ON ON (see page 19-142) -04 Fail-safe Relay 1 Stuck OFF (Initial) ON ON ON ON (see page 19-142)
-21 Fail-safe Relay 1 Stuck OFF (Main) ON ON ON ON (see page 19-142)
56 -01 Initial VIG FET Stuck OFF ON ON ON ON (see page 19-142) -02 Initial VIG FET Stuck ON ON ON ON ON (see page 19-142)
-11 VIG FET Stuck OFF ON ON ON ON (see page 19-142)
1: Brake system indicator turns ON when two or more wheels fail.
1
1
1
1
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DTCDetection Item ABS
Indicator Brake
System
Indicator VSA
Indicator VSA
Activation Indicator Note
19-103
61 -01 VSA Modulator-control Unit Initial IG Low Voltage ON ON ON ON (see page 19-143)
-21 VSA Modulator-control Unit Power Source LowVoltage 1 ON ON ON ON (see page 19-143)
-22 VSA Modulator-control Unit Power Source Low Voltage 2 ON OFF ON ON (see page 19-143)
-23 VSA Modulator-control Unit Power Source Low Voltage 3 ON ON ON ON (see page 19-143)
62 -21 VSA Modulator-control Unit IG High Voltage ON ON ON ON (see page 19-144)
64 -11 Steering Angle Sensor Power Circuit Short OFF OFF ON ON (see page 19-144) -12 Steering Angle Sensor Power Circuit Open OFF OFF ON ON (see page 19-145)
65 -21 Brake Fluid Level Stuck ON OFF OFF ON ON (see page 19-147)
66 -11 Pressure Sensor (Inside of VSA Modulator-control Unit) Malfunction OFF OFF ON ON (see page 19-148)
-12 Pressure Sensor (Inside of VSA Modulator-control Unit) Malfunction OFF OFF ON ON (see page 19-148)
-13 Pressure Sensor (Inside of VSA Modulator-control Unit) Malfunction OFF OFF ON ON (see page 19-148)
-14 Pressure Sensor (Inside of VSA Modulator-control Unit) Malfunction OFF OFF ON ON (see page 19-148)
-15 Pressure Sensor (Inside of VSA Modulator-control Unit) Malfunction OFF OFF ON ON (see page 19-149)
-16 Pressure Sensor (Inside of VSA Modulator-control Unit) Malfunction OFF OFF ON ON (see page 19-148)
68 -21 Brake Pedal Position Switch Stuck OFF OFF OFF ON ON (see page 19-149) -22 Brake Pedal Position Switch Stuck ON OFF OFF ON ON (see page 19-151)
71 -21 Right-front or Left-rear Different Diameter Tire Malfunction ON ON ON ON (see page 19-152)
-22 Left-front or Right-rear Different Diameter Tire Malfunction ON ON ON ON (see page 19-152)
-23 Right-front and Right-rear Different Diameter Tire Malfunction ON ON ON ON (see page 19-152)
-24 Left-front and Left-rear Different Diameter Tire Malfunction ON ON ON ON (see page 19-152)
-25 Right-front and Left-front Different Diameter Tire Malfunction ON ON ON ON (see page 19-152)
-26 Right-rear and Left-rear Different Diameter Tire Malfunction ON ON ON ON (see page 19-152)
-27 Right-front or Left-rear Different Diameter Tire Malfunction OFF OFF ON ON (see page 19-152)
-28 Left-front or Right-rear Different Diameter Tire Malfunction OFF OFF ON ON (see page 19-152)
-29 Right-front and Right-rear Different Diameter Tire Malfunction OFF OFF ON ON (see page 19-152)
-2A Left-front and Left-rear Different Diameter Tire Malfunction OFF OFF ON ON (see page 19-152)
-2B Right-front and Left-front Different Diameter Tire Malfunction OFF OFF ON ON (see page 19-152)
-2C Right-rear and Left-rear Different Diameter Tire Malfunction OFF OFF ON ON (see page 19-152)
81 -01 ON ON ON ON (see page 19-153) -02 ON ON ON ON (see page 19-153)
-03 ON ON ON ON (see page 19-153)
-05 ON ON ON ON (see page 19-153)
-06 ON ON ON ON (see page 19-153)
-07 ON ON ON ON (see page 19-153)
-08 ON ON ON ON (see page 19-153)
-11 ON ON ON ON (see page 19-153)
-12 ON ON ON ON (see page 19-153)
-13 ON ON ON ON (see page 19-153)
-14 ON ON ON ON (see page 19-153)
-21 ON ON ON ON (see page 19-153)
-22 ON ON ON ON (see page 19-153)
-23 ON ON ON ON (see page 19-153)
(cont’d)
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
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DTCDetection Item ABS
Indicator Brake
System
Indicator VSA
Indicator VSA
Activation Indicator Note
19-104VSA System Components
DTC Troubleshooting Index (cont’d)
81 -31
ON ON ON ON (see page 19-153)
-32 ON ON ON ON (see page 19-153)
-33 ON ON ON ON (see page 19-153)
-35 ON ON ON ON (see page 19-153)
-36 ON ON ON ON (see page 19-153)
-37 ON ON ON ON (see page 19-153)
-38 ON ON ON ON (see page 19-153)
-39 ON ON ON ON (see page 19-153)
-3A ON ON ON ON (see page 19-153)
-3C ON ON ON ON (see page 19-153)
-3D ON ON ON ON (see page 19-155)
-3E ON ON ON ON (see page 19-155)
-40 ON ON ON ON (see page 19-153)
-41 ON ON ON ON (see page 19-153)
-42 ON ON ON ON (see page 19-153)
-51 ON ON ON ON (see page 19-154)
-52 ON ON ON ON (see page 19-153)
-53 ON ON ON ON (see page 19-154)
-54 ON ON ON ON (see page 19-153)
-55 ON ON ON ON (see page 19-154)
-56 ON ON ON ON (see page 19-153)
-57 ON ON ON ON (see page 19-154)
-58 ON ON ON ON (see page 19-153)
-59 ON ON ON ON (see page 19-155)
-61 ON ON ON ON (see page 19-153)
-71 ON OFF ON ON (see page 19-153)
-80 ON ON ON ON (see page 19-153)
83 -13 ECM/PCM Communication Error OFF OFF ON ON (see page 19-155)
-14 ECM/PCM Communication Error OFF OFF ON ON (see page 19-155)
84 -21 VSA Sensor Neutral Position Not Writing OFF OFF ON ON (see page 19-156)
86 -01 F-CAN Bus-off Malfunction OFF OFF ON ON (see page 19-156)
-11 F-CAN Communication with ECM/PCM Malfunction OFF OFF ON ON (see page 19-157)
-21 F-CAN Communication with Engine Malfunction OFF OFF ON ON (see page 19-157)
-22 F-CAN Communication with Engine Malfunction OFF OFF ON ON (see page 19-157)
-23 F-CAN Communication with Engine Malfunction OFF OFF ON ON (see page 19-157)
-24 F-CAN Communication with Engine Malfunction OFF OFF ON ON (see page 19-157)
-25 F-CAN Communication with Engine Malfunction OFF OFF ON ON (see page 19-157)
-31 F-CAN Communication with Gauge Control Module Malfunction OFF OFF ON ON (see page 19-159)
F-CAN Communication with EAT Malfunction OFF OFF ON ON (see page 19-157)
-71 F-CAN Communication with Yaw Rate-Lateral Acceleration Sensor Malfunction OFF OFF ON ON (see page 19-160)
107 -22 Central Processing Unit (CPU) Internal Circuit Malfunction OFF OFF OFF ON (see page 19-162)
108 -21 Steering Angle Sensor Malfunction OFF OFF OFF ON (see page 19-162)
112 -01 Central Processing Unit (CPU) Internal Circuit Malfunction ON ON ON ON (see page 19-163)
121 -01 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
-02 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
-11 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
-21 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
-24 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
122 -01 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
-21 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
-22 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
-23 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
123 -01 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
-02 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
-11 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
-21 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
-24 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
124 -01 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
-21 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
-22 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
-23 VSA Solenoid Valve Malfunction ON ON ON ON (see page 19-164)
4: A/TCentral Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
Central Processing Unit (CPU) Internal Circuit Malfunction
-414
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Symptom Diagnostic procedure
19-105
Symptom Troubleshooting Index
When the vehicle has one of these symptoms, check for VSA diagnostic trouble codes (DTCs) with the HDS. If there
are no DTCs, do the diagnostic procedure for the symptom, in the sequence listed, until you find the cause.
HDS does not communicate with the VSA modulator-
control unit or the vehicle Troubleshoot the DLC circuit (see page 11-204).
VSA activation indicator does not come on at start-up
(bulb check) 1.
2.Do the gauge control module troubleshooting
(see page 22-241).
Substitute a known-good VSA modulator-control unit,
then recheck. If it is OK, replace the original VSA
modulator-control unit (see page 19-171).
VSA activation indicator does not go off, and no DTCs
are stored 1.
2.Symptom Troubleshooting (see page 19-165).
Substitute a known-good VSA modulator-control unit,
then recheck. If it is OK, replace the original VSA
modulator-control unit (see page 19-171).
ABS indicator, brake system indicator, and VSA
indicator do not come on 1.
2.Do the gauge control module troubleshooting
(see page 22-241).
Substitute a known-good VSA modulator-control unit,
then recheck. If it is OK, replace the original VSA
modulator-control unit (see page 19-171).
ABS indicator, brake system indicator, and VSA
indicator do not go off 1.
2.
3.Check for F-CAN DTCs, and troubleshoot and repair
those first.
Do the gauge control module troubleshooting
(see page 22-241).
Symptom Troubleshooting (see page 19-166).
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VSA Modulator-Control Unit Inputs and Outputs for 37P Connector (Connector Disconnected)
TerminalnumberWire color Terminal sign Description Signal
19-106VSA System Components
System Description
NOTE: Standard battery voltage is about 12 V.
1 RED CAN-L F-CAN communication circuit
3 BLU STR-D Detects steering angle sensor signal
6 PNK FR-GND Detects right-front wheel speed sensor signal
7 ORN SVCC Power source for the steering angle sensor With ignition switch ON (II): about 5.0 V
8 PUR RL-GND Detects left-rear wheel speed sensor signal
9 LT GRN RR B Detects right-rear wheel speed sensor signal
10 BRN SGND Ground for the steering angle sensor
11 RED FL-GND Detects left-front wheel speed sensor signal
13 WHT FSR B Power source for the fail-safe relay Battery voltage at all times
14 RED MR B Power source for the motor relay Battery voltage at all times
Wire side of female terminals
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DYNOMITE -2009-

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TerminalnumberWire color Terminal sign Description Signal
19-107
NOTE: Standard battery voltage is about 12 V.
15 WHT CAN-H F-CAN communication circuit
17 PUR STR-B Detects steering angle sensor signal
19 GRN FR B Detects right-front wheel speed sensor signal
20 YEL RL B Detects left-rear wheel speed sensor signal
21 BLU RR-GND Detects right-rear wheel speed sensor signal
22 WHT FL B Detects left-front wheel speed sensor signal
26 LT BLU K-LINE Communication with HDS
28 GRY IG1 Power source for activating the system With ignition switch ON (II): about battery
voltage
34 GRN STR-A Detects steering angle sensor signal
36 BLK GND Ground for the VSA modulator- control unit Continuity to ground
37 BLK MR-GND Ground for the pump motor Continuity to ground
(cont’d)
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ProCarManuals.com
DYNOMITE -2009-

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System Outline
19-108VSA System Components
System Description (cont’d)
CONTROL UNIT
MODULATOR UNIT VSA MODULATOR-
CONTROL UNIT
Brake pressure
signal
 Solenoid control
 Motor control
Communication via F-CAN
VSA
OFF
SWITCH
PARKING
BRAKE
SWITCH BRAKE
FLUID
LEVEL
SWITCH
WHEEL SPEED SENSOR
 Engine torque control request
 Control mode signal
 VSA control enable/disable
 Throttle open angle signal
 Engine revolution signal
 Brake pedal
position switch signal
 Service check signal
 Gear position signal
Wheel rotation
pulse signal
ECM/PCM
BRAKE
PEDAL
POSITION
SWITCH
GAUGE CONTROL MODULE (TACH)
YAW RATE-LATERAL
ACCELERATION
SENSORSTEERING ANGLE
SENSOR
VSAOFFswitchsignal
 Parking brake switch signal
 Brake fluid level switch signal
 Yaw rate signal
 Lateral acceleration signal Steering angle signal
 Indicator drive signal
 Buzzer request signal*
*: ’09 model
This system is composed of the VSA modulator-control unit, the wheel speed sensors, the steering angle sensor, the
yaw rate-lateral acceleration sensor, and the system indicators in the gauge control module (tach). The VSA
modulator-control unit controls the ABS, EBD, TCS, VSA, and brake assist with the brake pressure of each wheel and
reduces engine torque.
08/08/21 15:04:53 61SNR030_190_0108
ProCarManuals.com
DYNOMITE -2009-