Toyota Corolla Cross Owners & Service Manuals

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

Toyota Corolla Cross (2022-2026) 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

    READ NEXT:

     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. Detection Item

     Lost Communication with Battery Monitor Module Missing Message (P162B87)

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

     Battery is Discharged

    DESCRIPTION General causes of battery depletion include the switches of electrical devices mistakenly left on, service life of the battery, charging device malfunction, or application of excessiv

    SEE MORE:

     Drive Motor "A" Position Sensor Circuit "A" Circuit Open (P0C5013,P0C501F,P0C5A13,P0C5A1F)

    DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs indicate that the resolver output signal is abnormal. The cause of this malfunction may be one of the following: Area Main Malfunction Description Inverter low-voltage circuit The connectors are not connected properly H

     Barometric Pressure Sensor "A" Circuit Short to Ground (P222611,P222615)

    DESCRIPTION The atmospheric pressure sensor is built into the ECM. The ECM provides optimal control in response to atmospheric pressure fluctuations. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note P222611 Barometric Pressure Sensor "A" Circuit Sh

    © 2020-2026 Copyright www.tcorollacross.com PT NL