C1241 · blink 41 – IG Power Source Circuit
- System
- ABS with BA & EBD
- Dashboard light
- ABS warning
- Check-engine blink code
- 41
- Applies to
- All E120 with ABS (BA & EBD)
- Description
- IG Power Source Circuit
- Detection / symptoms
- Detection: Detection of any of conditions 1. through 3. : 1. With vehicle speed at 3 km/h or more, IG1 terminal volt- age is 10V or below for 10 sec. or longer. 2. With IG1 terminal voltage at 10V or below, solenoid relay open, pump motor relay open, solenoid fault detecting condition are established 3. Voltage of ECU terminal IG1 remains at more than 17V continues for 1.2 sec. or more.
- Possible causes
- Battery; Charging system; Power source circuit; Skid Control ECU
- What to check
- Workshop check order (RM821E): INSPECT FUSES (ECU−IG FUSE) -> INSPECT BATTERY -> INSPECT SKID CONTROL ECU CONNECTOR (IG1 TERMINAL VOLTAGE) -> INSPECT SKID CONTROL ECU CONNECTOR (GND TERMINAL CONTINUITY)
- Confidence
- high (official Toyota RM821E)
From the factory service material. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights