Fig. 383: DTC Troubleshooting Flow Chart (P2183)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
NOTE:
ο¬
Before you troubleshoot, record all freeze data and any on-board
snapshot, and review the general troubleshooting information See HOW
TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS or HOW TO
TROUBLESHOOT THE A/T SYSTEM .
ο¬
If DTC P0111 is stored at the same time as DTC P2183, troubleshoot DTC
P0111 first, then recheck for DTC P2183.
Confirmed
DTC
Pending
DTC
Freeze
Frame
DTC Description
P2183 ECT SENSOR 2 CIRCUIT
RANGE/PERFORMANCE PROBLEM
1. Connector visual check:
ο‘
1. Check for poor connections or loose terminals and terminals at these sensors:
ο¬
ECT sensor 1
ECT sensor 2
ο¬
Are the connections and terminals OK?
YES : Go to step 2.
NO : Repair the connections or terminals, then do the repair verification .
2. PGM-FI system check:
ο‘
ο‘
1. Turn the ignition switch to ON (II).
2. Check for Pending or Confirmed DTCs with the HDS.
Confirmed
DTC
Pending
DTC
Freeze
Frame
DTC Description
P1116 ECT SENSOR 1 CIRCUIT
RANGE/PERFORMANCE PROBLEM
P2183 ECT SENSOR 2 CIRCUIT
RANGE/PERFORMANCE PROBLEM
Are DTC P1116 and P2183 indicated at the same time?
YES : Go to step 5.
NO : Only DTC P2183 is indicated. Go to step 3.
3. ECT sensor 2 performance check:
ο‘
ο‘
1. Start the engine, and let it idle for 10 minutes.
2. Check the parameter(s) below with the HDS.
Threshold
Current conditions
Signal
Values
Unit Values Unit
Less than 120 Β°F
Less than 49 Β°C
ECT SENSOR 2
Do the current condition(s) match the threshold?
YES : REPLACE ECT SENSOR 2 , then do the repair verification .
NO : Go to step 4.
4. Problem verification:
ο‘
ο‘
ο‘
ο‘
ο‘
1. Turn the ignition switch to LOCK (0).
2. Allow ECT sensor 2 to cool to the ambient temperature.
3. Note the ambient temperature.
4. Turn the ignition switch to ON (II).
5. Quickly note the value of ECT SENSOR 2 in the DATA LIST with the HDS.
Current conditions
Signal
Values
Unit
ECT SENSOR 2
ο‘
6. Compare the value of ECT SENSOR 2 and the ambient temperature.
Does the value of ECT SENSOR 2 differ 5.4 Β°F (3 Β°C) or more from the ambient temperature?
YES : REPLACE ECT SENSOR 2 , then do the repair verification .
NO : Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at
ECT sensor 1, ECT sensor 2, and the PCM.
5. ECT sensor 1 performance check:
ο‘
1. Start the engine, and let it idle for 10 minutes.
2. Check the parameter(s) below with the HDS.
ο‘
Threshold
Current conditions
Signal
Values
Unit Values Unit
Less than 120 Β°F
Less than 49 Β°C
ECT SENSOR 1
Do the current condition(s) match the threshold?
YES : REPLACE ECT SENSOR 1 , then do the repair verification .
NO : ECT sensor 1 is OK at this time. Go to step 6.
6. ECT sensor 2 performance check:
ο‘
1. Let the engine idle for 10 minutes.
ο‘
2. Check the parameter(s) below with the HDS.
Threshold
Current conditions
Signal
Values
Unit Values Unit
Less than 120 Β°F
Less than 49 Β°C
ECT SENSOR 2
Do the current condition(s) match the threshold?
YES : REPLACE ECT SENSOR 2 , then do the repair verification .
NO : Go to step 7.
7. Problem verification:
ο‘
ο‘
ο‘
ο‘
ο‘
1. Turn the ignition switch to LOCK (0).
2. Allow the sensors to cool to the ambient temperature.
3. Note the ambient temperature.
4. Turn the ignition switch to ON (II).
5. Quickly note the value of ECT SENSOR 1 and ECT SENSOR 2 in the DATA LIST with the
HDS.
Current conditions
Signal
Values
Unit
ECT SENSOR 1
ECT SENSOR 2
ο‘
6. Compare the value of ECT SENSOR 1 to the ambient temperature, and the value of ECT
SENSOR 2 to the ambient temperature individually.
Does either sensor differ more than 5.4 Β°F (3 Β°C) from the ambient temperature?
YES : Replace the sensor that differed more than 5.4 Β°F (3 Β°C) from the ambient temperature, then do the
repair verification .
NO : Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at
ECT sensor 1, ECT sensor 2, and the PCM.
REPAIR VERIFICATION
ο‘
ο‘
1. Turn the ignition switch to ON (II).
2. Reset the PCM with the HDS See HOW TO TROUBLESHOOT THE A/T SYSTEM or HOW
TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS .
ο‘
ο‘
3. DO THE PCM IDLE LEARN PROCEDURE .
4. Check for Pending or Confirmed DTCs with the HDS.
Confirmed
DTC
Pending
DTC
Freeze
Frame
DTC Description
P2183 ECT SENSOR 2 CIRCUIT
RANGE/PERFORMANCE PROBLEM
Is DTC P2183 indicated?
YES : Check for poor connections or loose terminals at ECT sensor 1, ECT sensor 2, and the PCM, then go to
step 1.
NO : Troubleshooting is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated
DTC's troubleshooting.
DTC P2184: ECT SENSOR 2 CIRCUIT LOW VOLTAGE
Fig. 384: DTC Troubleshooting Flow Chart (P2184)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
NOTE:
Before you troubleshoot, record all freeze data and any on-board snapshot, and
review the general troubleshooting information See HOW TO TROUBLESHOOT
THE A/T SYSTEM or HOW TO TROUBLESHOOT THE FUEL AND EMISSIONS
SYSTEMS .
DTC Description
Confirmed DTC Pending DTC Freeze Frame
P2184 ECT SENSOR 2 CIRCUIT LOW VOLTAGE
1. Problem verification:
ο‘
ο‘
1. Turn the ignition switch to ON (II).
2. Check the parameter(s) below with the HDS.
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