Idle Stop Time Is Short (2019 2020 2021)
Diagnostic procedure
- Brake booster leaks:
Check the leakage from the following parts, and replace it if necessary .
NOTE:- Time that the idling stop operates shortens because it becomes impossible to maintain airtight of the negative pressure line when a small leakage is in the following parts.
- The following symptoms appear when there is a leakage in following parts. (Small leakage: Idle stop time is short) (Large leakage: Idle stop does not operate)
-
- Check valve (built into the vacuum line)
- Vacuum hose, pipe
- Vacuum tube (between the brake booster and the brake booster pressure sensor)
- Brake booster
- Rod seal or O-ring, or secondary cup of master cylinder
- Brake booster pressure sensor
- If equipped, Check the cold storage evaporator installation .
- Troubleshoot the auto idle stop system - Refer to: Auto Idle Stop System Symptom Troubleshooting - Auto idle stop system indicator (amber) blinks or Auto Idle Stop System Symptom Troubleshooting - Auto idle stop system does not operate (2022 2023) or Auto Idle Stop System Symptom Troubleshooting - Auto idle stop system indicator (green/amber) does not come on or Auto Idle Stop System Symptom Troubleshooting - Starter System Counter Inspection (2022 2023) or Auto Idle Stop System Symptom Troubleshooting - Auto idle stop system does not operate .