Theft Deterrent System

THEFT DETERRENT / KEYLESS ENTRY: THEFT DETERRENT SYSTEM: TERMINALS OF ECU

1. CHECK MAIN BODY ECU AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY









(a) Turn the ignition switch off.

(b) Remove the main body ECU from the instrument panel junction block assembly Removal.

HINT
The instrument panel junction block assembly connectors must all be connected.

(c) Measure the resistance and voltage according to the value(s) in the table below.





If the result is not as specified, there may be a malfunction in the wire harness or the instrument panel junction block assembly.

(d) Reinstall the main body ECU.









(e) Disconnect the D12 and D13 main body ECU connectors.

(f) Measure the resistance and voltage according to the value(s) in the table below.





If the result is not as specified, there may be a malfunction in the wire harness.

HINT
Measure the values on the wire harness side with the connectors disconnected.

(g) Reconnect the main body ECU connectors.

(h) Measure the voltage according to the value(s) in the table below.





If the result is not as specified, the main body ECU may have a malfunction.