Circuit Opening Relay

2UZ-FE ENGINE CONTROL SYSTEM: CIRCUIT OPENING RELAY:

ON-VEHICLE INSPECTION

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:
- Some systems need to be initialized after the cable is reconnected (Repair Instruction - Initialization).
- After the ignition switch is turned OFF, the navigation system requires approximately 90 seconds to record various types of memory and settings. As a result, after turning the ignition switch OFF, wait 90 seconds or more before disconnecting the cable from the negative (-) battery terminal.

2. REMOVE CIRCUIT OPENING RELAY (C/OPN)
(a) Remove the engine room relay block cover.
(b) Remove the circuit opening relay from the engine room relay block.





3. INSPECT CIRCUIT OPENING RELAY (C/OPN)
(a) Measure the resistance according to the the value(s) in the table below.
Standard resistance:





If the result is not as specified, replace the relay.
4. INSTALL CIRCUIT OPENING RELAY (C/OPN)
5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

NOTE: Some systems need to be initialized after the cable is reconnected (Repair Instruction - Initialization).