Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Deterioration of Battery Low Capacity (P160200)

Toyota Corolla Cross (2022-2024) Service Manual / Power Source & Network / M20a-fks (battery / Charging) / Charging System / Deterioration of Battery Low Capacity (P160200)

DESCRIPTION

The ECM determines the battery status according to the voltage of the BATT terminal while the engine is running (not cranking).

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Warning Indicate

Note

P160200

Deterioration of Battery Low Capacity

Battery capacity is low for 10 seconds or more when the engine is running (not cranking).

(1 trip detection logic)
  • Battery
  • Wire harness or connector

Does not come on

Charge warning light: 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 procedure.

HINT:

If any DTCs other than P160200 are output, troubleshoot those DTCs first.

PROCEDURE

1.

CHECK CHARGING SYSTEM

Click here

NG

REPAIR OR REPLACE CHARGING SYSTEM
OK

2.

CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)

(a) Disconnect the ECM connector.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

A47-1 (BATT) - Body ground

Always

11 to 14 V

*a

Front view of wire harness connector

(to ECM)
OK

CHECK FOR INTERMITTENT PROBLEMS

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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