LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2012 >> Highlander Limited, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 119 (Hybrid Battery System (Diagnostic Codes (P0A7F-123 - U029A-123)) (Hybrid)) >> Hybrid Battery System >> DTC U029A-123: Lost Communication with Hybrid Battery Pack Sensor Module >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different variant/trim than selected.
WARNING:
  • If the battery cover is removed, install it before turning the ignition switch ON or ON (READY). If the ignition switch is turned ON or ON (READY) with the battery cover removed, U029A-123 may be set.
  • Before inspecting the high-voltage system, take safety precautions to prevent electrical shocks, such as wearing insulated gloves and removing the service plug grip. After removing the service plug grip, put it in your pocket to prevent other technicians from accidentally reconnecting it while you are working on the high-voltage system.
  • After disconnecting the service plug grip, wait for at least 10 minutes before touching any of the high-voltage connectors or terminals.

HINT: 

At least 10 minutes is required to discharge the high-voltage capacitor inside the inverter with converter assembly.

scientia non olet · About LEMON Manuals