RM38N0EC _57 Power Source / Network _111789 M20C-FKS, M20D-FKS BATTERY / CHARGING _0506213 CHARGING SYSTEM C

M20C-FKS, M20D-FKS BATTERY / CHARGING CHARGING SYSTEM P160200 Deterioration of Battery Low Capacity

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	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	Charge warning light does not come on	SAE Code: P1602

WIRING DIAGRAM

5.281,0.865 5.896,1.063 0.615,0.198 10 false BATT 5.365,2.323 5.677,2.521 0.313,0.198 10 false E1 5.833,2.969 6.292,3.167 0.458,0.198 10 false A109 5.833,3.135 6.292,3.333 0.458,0.198 10 false ECM 5.031,2.25 5.344,2.448 0.313,0.198 10 false 22 5.042,0.865 5.198,1.063 0.156,0.198 10 false 31 3.594,1.125 4.823,1.323 1.229,0.198 10 false EFI NO. 1 1.365,1.115 2.594,1.313 1.229,0.198 10 false FL MAIN 0.854,2.635 1.927,2.833 1.073,0.198 10 false Battery

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 herePower Source / Network>M20C-FKS, M20D-FKS (BATTERY / CHARGING)>CHARGING SYSTEM>ON-VEHICLE INSPECTION202111,999999,_57,_111789,_0506213,RM100000001ZQWM,

Result:

Result
OK
NG

2.CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)

REPAIR OR REPLACE CHARGING SYSTEM

2.CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)

Disconnect the ECM connector.

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

Standard Voltage:

Tester Connection	Condition	Specified Condition
Click Location & Routing(A109)Location & Routingewd_type=routing;type=c;code=A109 Click Connector(A109)Engine Compartment>Engine Room Main Wire / Transmission Wire>ECMewd_type=component;type=c;code=A109;pinno=31
A109-31 (BATT) - Body ground	Always	11 to 14 V

Tester Connection

Condition

Specified Condition

Click Location & Routing(A109)Location & Routingewd_type=routing;type=c;code=A109

Click Connector(A109)Engine Compartment>Engine Room Main Wire / Transmission Wire>ECMewd_type=component;type=c;code=A109;pinno=31

A109-31 (BATT) - Body ground

Always

11 to 14 V

Result:

Result
OK
NG

CHECK FOR INTERMITTENT PROBLEMS

Click hereEngine / Hybrid System>M20C-FKS, M20D-FKS (ENGINE CONTROL)>SFI SYSTEM>CHECK FOR INTERMITTENT PROBLEMS202111,999999,_51,_111785,_0504416,RM100000001ZNYV,

REPAIR OR REPLACE HARNESS OR CONNECTOR