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Home >> Honda >> 2021 >> Accord Touring >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle - DTC Diagnostics (P0501 - P0871) (Except Hybrid) >> DTC Troubleshooting >> P0705 (CVT (TCM))

P0705 (CVT (TCM))

DTC P0705  : Transmission Range Switch Multiple Shift Position Input

NOTE: 

DTC Description Confirmed DTC Pending DTC Freeze Frame
P0705 Transmission Range Switch Multiple Shift Position Input      

DTC (CVT)

  1. Problem verification

    -1. Turn the vehicle to the ON mode.

    -2. Compare the transmission range switch signal inputs with the HDS to the following table, in each shift lever position/mode.

    Signal Threshold Current conditions
    P R N D S* L* Values Unit
    A/T P Switch ON OFF OFF OFF OFF OFF    
    A/T R Switch OFF ON OFF OFF OFF OFF    
    A/T N Switch OFF OFF ON OFF OFF OFF    
    A/T D Switch OFF OFF OFF ON OFF OFF    
    A/T S Switch* OFF OFF OFF OFF ON OFF    
    A/T L Switch* OFF OFF OFF OFF OFF ON    
    Forward Switch OFF OFF OFF ON ON ON    
    Reverse Switch (ATPRVS) OFF ON OFF OFF OFF OFF    

    *: Without paddle shifter

    Do the transmission range switch signals match?

    YES 

    Intermittent failure, the system is OK at this time. Check for poor connections and loose terminals between the transmission range switch and the TCM. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.

    NO 

    The failure is duplicated. Go to step 2.

  2. Transmission range switch signal check

    -1. Compare the transmission range switch signal inputs with the HDS to the following table, in each shift lever position/mode.

    Signal Threshold Current conditions
    P R N D S* L* Values Unit
    A/T P Switch ON OFF OFF OFF OFF OFF    
    A/T R Switch OFF ON OFF OFF OFF OFF    
    A/T N Switch OFF OFF ON OFF OFF OFF    
    A/T D Switch OFF OFF OFF ON OFF OFF    
    A/T S Switch* OFF OFF OFF OFF ON OFF    
    A/T L Switch* OFF OFF OFF OFF OFF ON    
    Forward Switch OFF OFF OFF ON ON ON    
    Reverse Switch (ATPRVS) OFF ON OFF OFF OFF OFF    

    *: Without paddle shifter

    Are any transmission range switch signals ON in all shift lever positions/modes?

    YES 

    Record the abnormal circuit, then go to step 5.

    NO 

    Go to step 3.

  3. Transmission range switch check

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Transmission range switch 10P connector

    -3. Connect the transmission range switch connector terminal that incorrectly indicates ON in step 2 to ground with a jumper wire.

    Signal Transmission range switch 10P connector (female terminals) :
    Terminal number Terminal name
    A/T P Switch 5 ATP-P
    A/T R Switch 4 ATP-R
    A/T N Switch 9 ATP-N
    A/T D Switch 3 ATP-D
    A/T S Switch* 8 ATP-S
    A/T L Switch* 2 ATP-L
    Forward Switch 6 ATP-FWD
    Reverse Switch (ATPRVS) 10 ATP-RVS

    *: Without paddle shifter

    GHH389897Courtesy of HONDA, U.S.A., INC.

    -4. Turn the vehicle to the ON mode.

    -5. Compare the transmission range switch signal inputs with the HDS to the following table.

    Signal Current conditions
    Values Unit
    A/T P Switch    
    A/T R Switch    
    A/T N Switch    
    A/T D Switch    
    A/T S Switch*    
    A/T L Switch*    
    Forward Switch    
    Reverse Switch (ATPRVS)    

    *: Without paddle shifter

    Do multiple transmission range switch signals indicate ON?

    YES 

    The transmission range switch is OK. Go to step 4.

    NO 

    Replace the transmission range switch .

  4. Shift position indicator check

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Shift position indicator 12P connector

    -3. Turn the vehicle to the ON mode.

    -4. Compare the transmission range switch signal inputs with the HDS to the following table.

    Signal Current conditions
    Values Unit
    A/T P Switch    
    A/T R Switch    
    A/T N Switch    
    A/T D Switch    
    A/T S Switch*    
    A/T L Switch*    
    Forward Switch    
    Reverse Switch (ATPRVS)    

    *: Without paddle shifter

    Do multiple transmission range switch signals indicate ON?

    YES 

    The shift position indicator is OK. Repair a short in the wires between the corresponding transmission range switch connector terminal, the shift position indicator, and the TCM. Refer to the following table.

      ATP-P ATP-R ATP-N ATP-D ATP-S* ATP-L* ATP-FWD ATP-RVS
    TCM No. 48 No. 47 No. 46 No. 37 No. 36 No. 35 No. 44 No. 43
    Transmission range switch 5 4 9 3 8 2 6 10

    *: Without paddle shifter

    NO 

    Replace the shift position indicator panel .

  5. Transmission range switch check

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Transmission range switch 10P connector

    -3. Turn the vehicle to the ON mode.

    -4. Check the transmission range switch signal input that remained ON with the HDS to the following table.

    Signal Current conditions
    Values Unit
    A/T P Switch    
    A/T R Switch    
    A/T N Switch    
    A/T D Switch    
    A/T S Switch*    
    A/T L Switch*    
    Forward Switch    
    Reverse Switch (ATPRVS)    

    *: Without paddle shifter

    Do any transmission range switch signals remain ON?

    YES 

    The transmission range switch is OK. Go to step 6.

    NO 

    Replace the transmission range switch .

  6. Shift position indicator check

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Shift position indicator 12P connector

    -3. Turn the vehicle to the ON mode.

    -4. Check the transmission range switch signal input that remained ON with the HDS to the following table.

    Signal Current conditions
    Values Unit
    A/T P Switch    
    A/T R Switch    
    A/T N Switch    
    A/T D Switch    
    A/T S Switch*    
    A/T L Switch*    
    Forward Switch    
    Reverse Switch (ATPRVS)    

    *: Without paddle shifter

    Do any transmission range switch signals remain ON?

    YES 

    The shift position indicator is OK. Go to step 7.

    NO 

    Replace the shift position indicator panel .

  7. Shorted wire check (corresponding line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    TCM 50P connector

    -3. Check for continuity between the connector terminal on the circuit that remained ON in step 5 and ground; refer to the following table.

    Signal Transmission range switch 10P connector (female terminals) :
    Terminal number Terminal name
    A/T P Switch 5 ATP-P
    A/T R Switch 4 ATP-R
    A/T N Switch 9 ATP-N
    A/T D Switch 3 ATP-D
    A/T S Switch* 8 ATP-S
    A/T L Switch* 2 ATP-L
    Forward Switch 6 ATP-FWD
    Reverse Switch (ATPRVS) 10 ATP-RVS

    *: Without paddle shifter

    GHH389899Courtesy of HONDA, U.S.A., INC.

    Does the circuit that indicated ON have continuity to ground?

    YES 

    Repair a short to ground in the wire between the corresponding transmission range switch connector terminal, the shift position indicator, and the TCM.

    NO 

    The wires are OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good TCM , then recheck. If this DTC goes away and the TCM was substituted, replace the original TCM .