Operation CHARM: Car repair manuals for everyone.
Home >> Cadillac >> 1992 >> Allante V8-273 4.5L >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Body Control Module >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> All IPC PRND321 Indicators Boxed
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

All IPC PRND321 Indicators Boxed

PRND321 Sensor Circuit:






TEST CONDITION:

Same as test conditions for code B127.

FAILURE CONDITION:

Same as failure conditions for code B127 except there is a shorter (1.5 second) time delay.

ACTION TAKEN:

All PRND321 boxes will light up.

Refer to code B127 for description and diagnosis.
pro multis · About Operation CHARM