Entry And Start System Engine Switch Indicator Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT ENGINE SWITCH
CHECK WIRE HARNESS (ENGINE SWITCH - MAIN BODY ECU AND BODY GROUND)
ENTRY AND START SYSTEM - Engine Switch Indicator Circuit |
DESCRIPTION
Engine start conditions or system malfunctions can be checked by the status of the engine switch indicator light.Engine switch indicator light condition:Power Source Mode/Condition
| Indicator Light Condition
|
Brake pedal released
| Brake pedal depressed, shift lever in P or N
|
off
| OFF
| ON (Green) (When key and vehicle IDs match)
|
on (ACC, IG)
| ON (Amber)
| ON (Green)
|
Engine running
| OFF
| OFF
|
Steering lock not unlocked
| Flashes (Green) for 15 sec.
| Flashes (Green) for 15 sec.
|
System malfunction
| Flashes (Amber) for 15 sec.
| Flashes (Amber) for 15 sec.
|
WIRING DIAGRAM
INSPECTION PROCEDURE
Remove the engine switch (CAMRY_ACV40 RM0000026WR00UX.html).
Apply battery voltage between the terminals of the switch, and check the illumination condition of the switch.
- NOTICE:
- If the positive (+) lead and the negative (-) lead are incorrectly connected, the engine switch indicator will not illuminate.
- If the voltage is too low, the indicator will not illuminate.
- OK:
Measurement Condition
| Specified Condition
|
Battery positive (+) → Terminal 11 (SWIL)
Battery negative (-) → Terminal 4 (COM) or 5 (GND)
| Illuminates
|
Battery positive (+) → Terminal 12 (INDS)
Battery negative (-) → Terminal 4 (COM) or 5 (GND)
| Illuminates
|
Battery positive (+) → Terminal 13 (INDW)
Battery negative (-) → Terminal 4 (COM) or 5 (GND)
| Illuminates
|
| 2.CHECK WIRE HARNESS (ENGINE SWITCH - MAIN BODY ECU AND BODY GROUND) |
Disconnect the E70 switch connector.
Disconnect the E7 ECU connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
E70-11 (SWIL) - E7-25 (SWIL)
| Always
| Below 1 Ω
|
E70-12 (INDS) - E7-15 (INDS)
| Always
| Below 1 Ω
|
E70-13 (INDW) - E7-14 (INDW)
| Always
| Below 1 Ω
|
E70-5 (GND) - Body ground
| Always
| Below 1 Ω
|
E70-4 (COM) - Body ground
| Always
| Below 1 Ω
|
E70-11 (SWIL) or E7-25 (SWIL) - Body ground
| Always
| 10 kΩ or higher
|
E70-12 (INDS) or E7-15 (INDS) - Body ground
| Always
| 10 kΩ or higher
|
E70-13 (INDW) or E7-14 (INDW) - Body ground
| Always
| 10 kΩ or higher
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
