Is there continuity?
YES : Repair a short in the +B ETCS wire between the No. A22 (15 A) fuse and the under-dash
fuse/relay box, then do the repair verification .
NO : The +B ETCS wire is OK. Check the under-dash fuse relay box, and REPLACE IT if needed, then
do the repair verification .
REPAIR VERIFICATION
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1. Turn the ignition switch to LOCK (0).
2. Reconnect all connectors.
3. Turn the ignition switch to ON (II).
4. Reset the PCM with the HDS See HOW TO TROUBLESHOOT THE A/T SYSTEM or HOW
TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS .
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5. DO THE PCM IDLE LEARN PROCEDURE .
6. Check for Pending or Confirmed DTCs with the HDS.
Confirmed
DTC
Pending
DTC
Freeze
Frame
DTC Description
P1659 ETCS CONTROL RELAY OFF
MALFUNCTION
Is DTC P1659 indicated?
YES : Check for poor connections or loose terminals at the ETCS control relay and the PCM. If the PCM was
updated, substitute a known-good PCM See PCM REMOVAL AND INSTALLATION or PCM
UPDATE , then recheck. If the PCM was substituted, go to step 1.
NO : Troubleshooting is complete. If the PCM was substituted, replace the original PCM See PCM
REMOVAL AND INSTALLATION or PCM UPDATE . If any other Pending or Confirmed DTCs are
indicated, go to the indicated DTC's troubleshooting.
DTC P1683: THROTTLE VALVE DEFAULT POSITION SPRING
PERFORMANCE PROBLEM
Fig. 323: DTC Troubleshooting Flow Chart (P1683)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
CAUTION: Do not insert your fingers into the installed throttle body when you turn
the ignition switch to ON (II), or while the ignition switch is in ON (II). If you
do, you will seriously injure your fingers if the throttle valve is activated.
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 .
Confirmed
DTC
Pending
DTC
Freeze
Frame
DTC Description
P1683 THROTTLE VALVE DEFAULT POSITION SPRING
PERFORMANCE PROBLEM
1. Problem verification:
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1. Turn the ignition switch to ON (II).
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2. Clear the DTC with the HDS See HOW TO TROUBLESHOOT THE A/T SYSTEM or
HOW TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS .
3. Start the engine. Hold the engine speed at 3, 000 rpm without load (in P or N) until the radiator
fan comes on, then let it idle.
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4. Turn the ignition switch to LOCK (0), and wait 10 seconds.
5. Turn the ignition switch to ON (II).
6. Check for Pending or Confirmed DTCs with the HDS.
Confirmed Pending
DTC DTC
Freeze
Frame
DTC Description
P1683 THROTTLE VALVE DEFAULT POSITION
SPRING PERFORMANCE PROBLEM
Is DTC P1683 indicated?
YES : The failure is duplicated. Go to step 2.
NO : Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at
the throttle body and the PCM.
2. Throttle body default position spring check:
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1. Turn the ignition switch to LOCK (0).
2. Disconnect the intake air duct from the throttle body.
3. Push the throttle valve closed as shown.
Fig. 324: Pushing Throttle Valve
Courtesy of AMERICAN HONDA MOTOR CO., INC.
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4. Release the throttle valve.
Does the throttle valve return?
YES : Clean the throttle body See THROTTLE BODY REMOVAL AND INSTALLATION ,
THROTTLE BODY DISASSEMBLY AND REASSEMBLY or THROTTLE BODY CLEANING ,
then do the repair verification . If DTC P1683 is indicated, replace the throttle body See
THROTTLE BODY REMOVAL AND INSTALLATION , THROTTLE BODY CLEANING or
THROTTLE BODY DISASSEMBLY AND REASSEMBLY , then do the repair verification .
NO : Replace the throttle body See THROTTLE BODY DISASSEMBLY AND REASSEMBLY ,
THROTTLE BODY REMOVAL AND INSTALLATION or THROTTLE BODY CLEANING ,
then do the repair verification .
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‘
ο‘
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3. DO THE PCM IDLE LEARN PROCEDURE .
4. Turn the ignition switch to LOCK (0), and wait 10 seconds.
5. Turn the ignition switch to ON (II).
6. Check for Pending or Confirmed DTCs with the HDS.
Confirmed
DTC
Pending
DTC
Freeze
Frame
DTC Description
P1683 THROTTLE VALVE DEFAULT POSITION SPRING
PERFORMANCE PROBLEM
Is DTC P1683 indicated?
YES : Check for poor connections or loose terminals at the throttle body 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 P1684: THROTTLE VALVE RETURN SPRING PERFORMANCE
PROBLEM
2024 Honda CR-V Owner's Manual
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2015 Honda CR-V Owner's Manual
