Toyota Yaris: Charging System / Deterioration of Battery Low Capacity (P160200)

Toyota Yaris XP210 (2020-2023) Reapir and Service Manual / Power Source & Network / G16e-gts (battery / Charging) / Charging System / Deterioration of Battery Low Capacity (P160200)

DESCRIPTION

The auxiliary battery condition is calculated from the voltage when the engine is running (except when cranking) and then output to the ECM. A DTC is output when auxiliary battery degradation is determined based on this signal.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Note
P160200	Deterioration of Battery Low Capacity	While engine is running (except when cranking), auxiliary battery capacity is abnormally low for 10 seconds or more. (1 trip detection logic)	Auxiliary battery Wire harness or connector	Does not come on	SAE Code: P1602

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Note

P160200

Deterioration of Battery Low Capacity

While engine is running (except when cranking), auxiliary battery capacity is abnormally low for 10 seconds or more.

(1 trip detection logic)

Auxiliary battery
Wire harness or connector

Does not come on

SAE Code: P1602

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.	CHECK CHARGING SYSTEM

Click here

REPAIR OR REPLACE CHARGING SYSTEM

2.	CHECK HARNESS AND CONNECTOR (POWER SOURCE OF ECM)

(a) Disconnect the ECM connector.

*a	Front view of wire harness connector (to ECM)

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Condition	Specified Condition
A106-1 (BATT) - Body ground	Always	11 to 14 V

CHECK FOR INTERMITTENT PROBLEMS

REPAIR OR REPLACE HARNESS OR CONNECTOR

Generator "A" Mechanical Performance Mechanical Failure (P065C07)

DESCRIPTION The alternator performs self-diagnosis of its internal circuits to detect malfunctions (open or short circuits). The ECM receives the result via LIN communication and stores a DTC...

Lost Communication with Alternator Missing Message (P161A87)

DESCRIPTION The ECM communicates with the generator assembly via LIN communication. If a LIN communication error is detected, the ECM stores this DTC. DTC No...

Other information:

Toyota Yaris XP210 (2020-2023) Owner's Manual: Operation of Automatic Air Conditioner

Set the mode selector dial to the AUTO position. Set the air intake selector to the outside air position (indicator light turned off). Set the fan control dial to the AUTO position. Press the A/C switch to operate the air conditioner (turn indicator light on)...

Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: Only Back Door cannot be Opened

DESCRIPTION The main body ECU (multiplex network body ECU) receives signals from the back door opener switch assembly. Then, the main body ECU (multiplex network body ECU) activates the back door lock motor. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: When using the GTS with the vehicle ignition switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1...