P0A08-101 - DC / DC Converter Status Circuit

L110F HYBRID VEHICLE CONTROL: HYBRID CONTROL SYSTEM: P0A08-101: DC / DC Converter Status Circuit
P0A08-101 - DC / DC Converter Status Circuit

DESCRIPTION

The cooling fan of the HV battery is used to cool the hybrid vehicle converter (DC/DC converter).









INSPECTION PROCEDURE

HINT
Placing objects on the duct inlets in the package tray trim panel assembly may stop the entry of air. In this case, DTCs may be set.

PROCEDURE

1. CHECK DTC OUTPUT (HV)

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.

(d) Check if DTCs are output.

Result:





B -- GO TO DTC CHART
A -- Continue to next step.

2. REPLACE HYBRID VEHICLE CONVERTER

(a) Replace the hybrid vehicle converter Components.

NEXT -- Continue to next step.

3. CHECK AUXILIARY BATTERY

(a) Turn the power switch on (READY).

(b) Leave the vehicle for 5 minutes. (The auxiliary battery will be charged.)

(c) Turn the vehicle off.

(d) Measure the voltage of the auxiliary battery.

Standard voltage:





HINT
The auxiliary battery may have discharged and deteriorated due to a malfunction in the hybrid vehicle converter. Therefore, inspect the auxiliary battery and replace it if it has deteriorated.

NG -- REPLACE AUXILIARY BATTERY

OK -- END