Honda CR-V: DTC P1683: Throttle Valve Default Position Spring Performance Problem
CAUTION
Do not insert your fingers into the installed throttle body when you turn the ignition switch ON (II) or while the ignition switch is 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.
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the radiator fan comes on, then let it idle.
4. Turn the ignition switch OFF, and wait 10 seconds.
5. Turn the ignition switch ON (II).
6. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P1683 indicated? YES-Go to step 7.
NO-Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the throttle body and the PCM.
7. Turn the ignition switch OFF.
8. Disconnect the air intake duct from the throttle body.
9. Push the throttle valve closed as shown.
10. Release the throttle valve.
Does the throttle valve return? YES-Clean the throttle body, then go to step 12.
NO-Go to step 11.
11. Replace the throttle body.
12. Turn the ignition switch ON (II).
13. Reset the PCM with the HDS.
14. Do the PCM idle learn procedure.
15. Turn the ignition switch OFF, and wait 10 seconds.
16. Turn the ignition switch ON (II).
17. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P1683 indicated? YES-If the throttle body was cleaned, go to step 11. If the throttle body was replaced, 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 Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
DTC P1684: Throttle Valve Return Spring Performance Problem
CAUTION
Do not insert your fingers into the installed throttle body when you turn the ignition switch ON (II) or while the ignition switch is 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.
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the radiator fan comes on, then let it idle.
4. Turn the ignition switch OFF, and wait 10 seconds.
5. Turn the ignition switch ON (II).
6. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P1684 indicated? YES-Go to step 7.
NO-Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the throttle body and the PCM.
7. Turn the ignition switch OFF.
8. Disconnect the air intake duct from the throttle body.
9. Push the throttle valve open as shown.
10. Release the throttle valve.
Does the throttle valve return? YES-Clean the throttle body, then go to step 12.
NO-Go to step 11.
11. Replace the throttle body.
12. Turn the ignition switch ON (II).
13. Reset the PCM with the HDS.
14. Do the PCM idle learn procedure.
15. Turn the ignition switch OFF, and wait 10 seconds.
16. Turn the ignition switch ON (II).
17. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P1684 indicated? YES-If the throttle body was cleaned, go to step 11. If the throttle body was replaced, 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 Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
READ NEXT:
DTC P2101: Electronic Throttle Control
System (ETCS) Malfunction
CAUTION
Do not insert your fingers into the installed throttle
body when you turn the ignition switch ON (II) or
while the ignition switch is ON (II). If you do, you
will seriously injure your fingers
DTC P2122: APP Sensor A (Throttle Position
Sensor D) Circuit Low Voltage
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information.
1. Turn the ignition switch ON (Ill.
2. Check APP SENSOR A in the
DTC P2135: TP Sensor A/B Voltage Incorrect
Correlation
CAUTION
Do not insert your fingers into the installed throttle
body when you turn the ignition switch ON (II) or
while the ignition switch is ON (II). If you do, you
will seriously injure your fingers
SEE MORE:
Cam Chain Inspection
1. Remove the front wheels.
2. Remove the splash shield (see step 21).
3. Remove the drive belt.
4. Remove the cylinder head cover.
5. Set the No.1 piston at top dead center (TDC). The
punch mark on the variable valve timing control
(VTC) actuator and the punch mark on the exhaust
camshaft sproc
Engine Compression Inspection
NOTE: After this inspection, you must reset the
powertrain control module (PCM), otherwise the PCM
will continue to stop the injectors from functioning.
Select PCM reset using the Honda Diagnostic System
(HDS).
1. Warm up the engine to normal operating
temperature (cooling fan comes on).
2. Turn t
