P1824

DTC P1824

DTC Detecting Condition and Trouble Area






Circuit Diagram










DTC Confirmation Procedure

1) Push engine switch to change ignition mode to "ON", and leave ignition mode in "ON" for 10 sec.

DTC Troubleshooting


1. Was "CVT System Check" performed?
YES
Go to Step 2.
NO
Go to CVT System Check CVT System Check.
2. ROM communication circuit check
Push engine switch to change ignition mode to "ON", and disconnect TCM and solenoid connectors.
Check for proper terminal connection to TCM and solenoid connectors.
If connections are OK, check that ROM signal circuits (A1 - A3) are as follows.
Wiring harness resistance of ROM signal circuit is less than 1.
Insulation resistance of ROM signal circuit is infinity between solenoid connector and vehicle body ground.
Insulation resistance of wire harness is infinity between ROM signal circuit terminal and each terminal at solenoid connector.
Circuit voltage of ROM signal circuit is 0 - 1 V with push engine switch to change ignition mode to "ON".
Are they in good condition?
YES
Go to Step 3.
NO
Repair or replace defective wire harness.
3. DTC recheck
Perform Programming and Relearning TCM Initialization and Learning Control.
Clear DTC. DTC Clearance
Confirm that ignition mode of keyless push start system is in "OFF".
Perform DTC confirmation procedure and check DTC.
Is there any DTC(s) detected?
YES
DTC P1824: Substitute a known-good ROM (CVT assembly) and recheck DTC.
Other than DTC P1824: Go to troubleshooting for applicable DTC.
NO
End.