15 What happened to Honda Odyssey?

Pacific Auto Network 15 Honda Odyssey stuck: 1, maybe the gear is locked. 2. When parking, you don't brake completely, and you directly engage in the P gear, resulting in gear braking instead of braking. 3, the whole vehicle can't be powered on, and the automatic gearbox itself is protected, so it can't be put into gear and can be unlocked.

When the shift lock solenoid valve acts, the following conditions must be met at the same time to act.

1) brake switch brake signal.

2) The throttle position is in the fully closed position. Only when two signals are available at the same time will PCM control the action of the shift lock solenoid valve. The solenoid valve is controlled by PCM and its grounding operation. To ensure the operation of the solenoid valve, we must first look at whether the power supply of the solenoid valve is normal. The power supply of the solenoid valve uses a fuse with horn power supply. After testing, the fuse is normal. Then only check the relevant circuits of PCM, find the red/blue wire of No.2 terminal of PCM's E socket, detect the voltage of 12V, and ground this wire, and the solenoid valve will work.

Because the circuit is normal, just check the brake light switch signal and the position signal of the throttle position sensor. Find terminal 22 of E socket, which is the signal of stop light switch. When you step on the brake pedal, the voltage is 12V, indicating that the brake switch signal is normal. Next, check the throttle closing signal of the throttle position sensor, unplug the throttle position sensor and put the brake pedal into gear. At this time, you can change to other gears. This shows that the voltage of the throttle position sensor is too high when the throttle is closed, which leads PCM to think that the throttle is open now, so it does not control the action of the locking solenoid valve. So loosen the fixing screw of the throttle position sensor, adjust the closed position slightly, and then try it out, eliminate the fault and everything returns to normal. In addition, it should be noted that the key interlock solenoid valve of this car is different from the previous control. When the ignition switch is turned off at the P position, PCM sends the P position signal to the driver's multi-channel control device through the multi-channel control system. At this time, the driver's multi-channel control device is controlled according to the signals of the key switch and the parking lock switch, and the key interlocking electromagnetic valve is closed to ensure the key to be taken out smoothly. If it is not in the P position, after the driver multiplex device receives the information sent by PCM, the key interlock solenoid valve is energized and the key cannot be taken out.

(Photo/Text/Photo: Pacific Auto Network Q&A called Beast)