Auto Idle Stop System Symptom Troubleshooting Index

When the vehicle has one of these symptoms, do the diagnostic procedure for the symptom, until you find the cause.

Symptom	Diagnostic procedure	Also check for
Auto idle stop system does not operate	Inspect the auto idle stop system . Troubleshoot the auto idle stop system (Auto idle stop system does not operate) - Refer to: Auto Idle Stop System Symptom Troubleshooting - Auto idle stop system does not operate or Auto Idle Stop System Symptom Troubleshooting - Starter System Counter Inspection .
Auto idle stop system indicator does not come on: Auto idle stop indicator (green) Auto idle stop system indicator (amber) Auto idle stop OFF indicator (white) Auto idle stop suspend indicator (white)	Do the gauge control module self-diagnostic function .
Idle stop time is short	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 does not operate or Auto Idle Stop System Symptom Troubleshooting - Starter System Counter Inspection .
Starter system warning message displays on (no DTCs set)	Troubleshoot the auto idle stop system (Starter System Counter Inspection) - Refer to: Auto Idle Stop System Symptom Troubleshooting - Auto idle stop system does not operate or Auto Idle Stop System Symptom Troubleshooting - Starter System Counter Inspection .