Dtc P1602 Deterioration Of Battery
DESCRIPTION
INSPECTION PROCEDURE
INSPECT BATTERY
DTC P1602 Deterioration of Battery |
DESCRIPTION
The ECM determines the battery level according to the voltage of the BATT terminal while the engine is running (not cranking).DTC No.
| DTC Detection Condition
| Trouble Area
|
P1602
| Battery level is 0%
| - Battery
- ECM back-up power source circuit
|
INSPECTION PROCEDURE
Inspect battery voltage.
After the vehicle is driven for 20 minutes, stop the engine.
Turn the ignition switch on (IG) and, turn on the headlight, blower fan, and defogger for 1 minute.
Turn the ignition switch off.
Measure the battery voltage.
- Standard voltage:
- 12.5 to 12.9 V at 20°C (68°F)
OK |
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CHECK ECM BACK-UP POWER SOURCE CIRCUIT |
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