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Home >> Scion >> 2016 >> iA Automatic Trans >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Charging System - Service Information >> Negative Battery Cable >> Installation [07/2015 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING:

Before removing the SRS air bag system-related parts, always disconnect the negative battery cable terminal and wait for 1 minute or more to allow the back-up power supply to deplete its stored power.

Refer to PRECAUTION [07/2015 - ]

NOTE:

With the battery connected and the ignition switched ON, or if servicing is performed for a long period (10 min or more) with the ignition switched off.

REQUIRED PROCEDURE AFTER NEGATIVE BATTERY CABLE TERMINAL DISCONNECTION/CONNECTION

System name Conditions after disconnecting the negative battery cable terminal Required procedure Reference
Before disconnecting negative battery cable terminal After connecting negative battery cable terminal
Power window control system Reset to initial setting and auto-function is disabled. - Perform the power window system initial setting. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ]
Clock system
Audio and visual system
Clock display and audio system memory are reset. Verify the setting content. Set the verified content before disconnecting negative battery cable terminal. -
Tire pressure warning system (TPWS) The tire pressure monitoring system detection accuracy decreases. - Perform the tire pressure monitoring system initialization. Refer to PROCEDURE - Step 1