How To Check Wiring Signal Diagram
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Fig. 64: Checking Resistance Between Terminals 3 & 4 Of Brake Booster
NG: Replace brake booster.
OK: GO TO NEXT STEP.
2. Check for open and short circuit in harness and connector between SKID CONTROL ECU AND BRAKE BOOSTER .
NG: Repair or replace harness or connector.
OK: Check and replace skid control ECU.
DTC C1311/12: BRAKE INHIBIT RELAY CIRCUIT
CIRCUIT DESCRIPTION
2001 BRAKES ABS With EBD & Trac & VSC System - Diagnostics - Sequoia
DTC No. | DTC Detecling Condition | Trouble Area |
C1311/12 | Open or short circuit is detected. | • Brake inhibit relay • Brake inhibit relay circuit |
2001 Toyota Sequoia Wiring Diagram Download Free
Fig. 65: DTC C1311/12 Brake Inhibit Relay Circuit Description WIRING DIAGRAM
2001 BRAKES ABS With EBD & Trac & VSC System - Diagnostics - Sequoia
- Fig. 66: DTC C1311/12 Brake Inhibit Relay Circuit Wiring Diagram INSPECTION PROCEDURE
1. Check voltage between terminal 1 and 3 of brake inhibit relay and body ground. PREPARATION:
2001 BRAKES ABS With EBD & Trac & VSC System - Diagnostics - Sequoia
Remove the brake inhibit relay from the connector. CHECK:
a. Turn the ignition switch ON.
b. Measure the voltage between terminal 1 of brake inhibit relay harness side connector and body ground.
voltage: 10-14 V CHECK:
Measure the voltage between terminal 3 of brake inhibit relay harness side connector and body ground when the brake pedal is depressed.
voltage: 8-14 V
NG: Check and repair harness or connector. OK: GO TO NEXT STEP
2001 BRAKES ABS With EBD & Trac & VSC System - Diagnostics - Sequoia
2001 BRAKES ABS With EBD & Trac & VSC System - Diagnostics - Sequoia
Fig. 67: Checking Voltage Between Terminal 1 & 3 Of Brake Inhibit Relay & Body Ground 2. Check brake inhibit relay. CHECK:
Check continuity between following terminals of brake inhibit relay. OK:
BRAKE INHIBIT | r RELAY CONTINUITY CHECK | ||||||||||||
Terminals 1 and 4 | Continuity (Reference value 62 ohm | ||||||||||||
Terminals 2 and 3 | a. Apply battery positive voltage between terminals 1 and 4. b. Check continuity between terminals. CONTINUITY CHECK Open| Terminals 2 and 3 2001 BRAKES ABS With EBD & Trac & VSC System - Diagnostics - Sequoia
NG: Replace brake inhibit relay. OK: GO TO NEXT STEP 2001 BRAKES ABS With EBD & Trac & VSC System - Diagnostics - Sequoia 3. Check for open and short circuit in harness and connector between BRAKE INHIBIT RELAY AND SKID CONTROL ECU . NG: Repair or replace harness or connector. OK: If the same code is still output after the DTC is deleted, check the contact condition of each connection. If the connections are normal, the ECU may be defective. DTC C1337 / 37: SOME TIRE IS DIFFERENT SIZE FROM THE OTHER TIRES CIRCUIT DESCRIPTION
INSPECTION PROCEDURE 1. Check tire size. NG: Replace tires so that all 4 tires are the same in size. OK: GO TO NEXT STEP 2. Check speed sensor (See CIRCUIT INSPECTION DTC C0200 / 31 - C0215 / 34 SPEED SENSOR CIRCUIT ). NG: Replace speed sensor. OK: Check and replace skid control ECU. DTC C1340 / 48: CENTER DIFF. LOCK CIRCUIT CIRCUIT DESCRIPTION This circuit is sending the signal to the ECU by detecting that the transfer center differential is in the 'LOCK' condition.
G&2S102Î4 G&2S102Î4 Fig. 69: DTC C1340 / 48 Center DIFF. Lock Circuit Description WIRING DIAGRAM 2001 BRAKES ABS With EBD & Trac & VSC System - Diagnostics - Sequoia
NOTE: |
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