Theft Deterrent System (W/ Entry And Start System) - Ig Power Source Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK BASIC FUNCTION (POWER SOURCE MODE FUNCTION)
INSPECT FUSE (IGN)
CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU [SMART KEY ECU ASSEMBLY] - BATTERY AND BODY GROUND)
THEFT DETERRENT SYSTEM (w/ Entry and Start System) - IG Power Source Circuit
DESCRIPTION
When the engine switch is turned on (IG), positive (+) battery voltage is applied to the certification ECU (smart key ECU assembly).
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.CHECK BASIC FUNCTION (POWER SOURCE MODE FUNCTION) |
Check the basic function of the power source mode function.
- OK:
- Basic function operates normally.
| | GO TO ENTRY AND START SYSTEM (for Start Function) ()
|
|
|
Remove the IGN fuse from the engine room relay block.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| IGN fuse | Always | Below 1 Ω |
| 3.CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU [SMART KEY ECU ASSEMBLY] - BATTERY AND BODY GROUND) |
Disconnect the E29 ECU connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| E29-17 (E) - Body ground | Always | Below 1 Ω |
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
| Tester Connection | Switch Condition | Specified Condition |
| E29-18 (IG) - Body ground | Engine switch on (IG) | 11 to 14 V |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| OK | |
| |
| PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE ()
|
|
