Inspection Procedure
- INSPECT FUSE (IGN)
- Remove the IGN fuse from the cowl side junction block RH.
- Measure the resistance of the fuse.
Standard resistance:
Below 1 Ω
NG: REPLACE FUSE
OK: GO TO Next Step
- INSPECT BATTERY
- Check the battery voltage.
Standard voltage:
11 to 14 V
Result
RESULT REFERENCE CHARTResult Proceed to Battery voltage is OK (when using intelligent tester) A Battery voltage is OK (when not using intelligent tester) B Battery voltage is abnormal C B: GO TO step 4
C: RECHARGE OR REPLACE BATTERY
A: GO TO Next Step
- DATA LIST (IG VOLTAGE)
- Check the DATA LIST for proper function of the IG voltage.
Skid control ECU assembly
DATA LIST REFERENCE CHARTItem Measurement Item / Range (Display) Normal Condition Diagnostic Note IG VOLTAGE ECU IG power voltage / UNDER or NORMAL or OVER - - OK: Display is NORMAL
OK: REPLACE SKID CONTROL ECU ASSEMBLY
NG: GO TO Next Step
- CHECK WIRE HARNESS (SKID CONTROL ECU ASSEMBLY - BATTERY AND BODY GROUND)
- Measure the voltage of the wire harness side connectors.
Standard voltage
VOLTAGE CHARTTester Connection Condition Specified Condition A42-6 (IG1) - A42-17 (GND4) Ignition switch ON 10 to 14 V A42-6 (IG1) - A42-8 (GND3) Ignition switch ON 10 to 14 V A42-6 (IG1) - A41-6 (GND2) Ignition switch ON 10 to 14 V A42-6 (IG1) - A41-31 (GND1) Ignition switch ON 10 to 14 V Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
VOLTAGE CHARTTester Connection Condition Specified Condition A42-6 (IG1) - Body ground Ignition switch ON 10 to 14 V - Measure the resistance of the wire harness side connectors.
Standard resistance
RESULT REFERENCE CHARTTester Connection Condition Specified Condition A42-17 (GND4) - Body ground Always Below 1 Ω A42-8 (GND3) - Body ground Always Below 1 Ω A41-6 (GND2) - Body ground Always Below 1 Ω A41-31 (GND1)-Body ground Always Below 1 Ω NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: REPLACE SKID CONTROL ECU ASSEMBLY
- Measure the voltage of the wire harness side connectors.