DTC P2135

DTC P2135  : TP Sensor A/B Incorrect Voltage Correlation

NOTE:  Before you troubleshoot, review the general troubleshooting information .

DTC (PGM-FI)

1. Problem verification

   -1. Turn the vehicle to the ON mode.

   -2. Clear the DTC with the HDS.

   -3. Turn the vehicle to the OFF (LOCK) mode.

   -4. Turn the vehicle to the ON mode.

   -5. Select the ETCS TEST in the INSPECTION MENU with the HDS.

   ETCS TEST

   Check for Pending or Confirmed DTCs with the HDS.

   DTC Description	Confirmed DTC	Pending DTC	Freeze Frame
   P2135 TP Sensor A/B Incorrect Voltage Correlation

   Is DTC P2135 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. 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 .

2. Determine possible failure area (PCM, others)

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

   -2. Jump the SCS line with the HDS.

   -3. Disconnect the following connector.

   PCM connector C (51P)

   -4. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	PCM connector C (51P): disconnected
   Test point 1	PCM connector C (51P) No. 17
   Test point 2	PCM connector C (51P) No. 19

   Is there continuity?

   YES 

   Go to step 3.

   NO 

   Update the PCM if it does not have the latest software, or substitute a known-good PCM , then recheck. If DTC P2135 goes away and the PCM was updated, troubleshooting is complete. If DTC P2135 goes away and the PCM was substituted, replace the original PCM .

3. Shorted wire check (THL 1 line to THL 2 line)

   -1. Disconnect the following connector.

   Throttle body 6P connector

   -2. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	PCM connector C (51P): disconnected
   	Throttle body 6P connector: disconnected
   Test point 1	PCM connector C (51P) No. 17
   Test point 2	PCM connector C (51P) No. 19

   Is there continuity?

   YES 

   Repair a short in the THL 1 wire to THL 2 wire between PCM connector terminals C19 (THL1 line) and C17 (THL2 line).

   NO 

   The THL 1 and THL 2 wires are OK. Replace the throttle body .