How Toyota Zero Point Calibration with Jumper Wire

The following manual procedure may be used in the cases where a Car Diagnostic Tester is

not available.

 

CAUTION:

While performing the Zero Point Calibration, do NOT tilt, move, or shake the vehicle.

The vehicle must remain in a stationary condition throughout the entire process.

Be sure to perform the procedure on a level surface with an inclination of less than 1%.

 

1. If the vehicle is equipped with A/T, ensure that the shift lever is in the “P” range and

the parking brake is applied. If the vehicle is equipped with a M/T, ensure that the

parking brake is applied.

2. Turn the ignition switch ON.
3. Using the SST, repeat a cycle of short and open between terminals Ts and CG of

DLC3 4 times or more within 8 seconds (refer to the specific vehicle EWD for TS and

CG pin location in the DLC3).

4. Verify that the VSC indicator light is lit indicating the recorded zero point is erased.
5. Turn the ignition switch OFF.
6. Be sure the terminals Ts and CG of DLC3 are disconnected.
7. Turn the ignition switch ON.
8. Check that the VSC warning light goes off about 15 seconds after the ignition switch

is turned ON.

9. After ensuring that the VSC warning light remains OFF for 2 seconds, turn the ignition

switch OFF.

10. Connect terminals Ts and CG of DLC3 using the SST.
11. Turn the ignition switch ON.
12. After turning the ignition switch ON, check that the VSC warning light is lit for about

4 seconds and then starts quick blinking at 0.13 second intervals.

13. After ensuring the blinking of the VSC warning light for 2 seconds, turn the ignition

switch OFF.

14. Remove the SST from terminals Ts and CG of DLC3.
15. Drive the vehicle for at least 5 minutes to confirm Zero Point Calibration is complete.

 

The following parts are question and answer corresponding to the above instruction.

Question: What about vehicle that doesn’t have the VSC light? I has a Toyota noah year 2005 with 1AZ-fe engine that have trouble code P1589 acceleration sensor learning value. I did everything he can check engine light stays on.

 

Answer:

As for P1589
Use a Toyota scan tool or Techstream and calibrate deceleration sensor. While performing the calibration follow on screen instructions. you can do the calibration by clicking Engine and ECT> Utility> Reset Memory> After that click “deceleration 0 point calibration” while you do that make sure that your car IGN switch is “ON”, hand brake pulled and your gear shift is on “P” or Neutral. At last perform the CVT Oil Calibration.
Some automatic transmission DTCs cause the MIL to come on. If the MIL is on and no DTCs are indicated in the EFI system, select the A/T system, and check for automatic transmission DTCs.
If the problem persists, replace the Brake Actuator Skid control ECU (ABS actuator assembly).