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DTC Troubleshooting

TEST PROCEDURE - POWER SOURCE CIRCUIT

Step Action YES NO
1  Was "ABS Check" performed?  Go to Step 2. Go to ABS CHECK .
2 
  1. Disconnect ABS hydraulic unit / control module connector with ignition switch turned OFF.
  2. Check for proper connection to ABS hydraulic unit / control module connector at terminals "E43-1" and "E43-13".
  3. If OK, then turn ignition switch to ON position and measure voltage between terminals "E43-1" and "E43-13".

Is voltage 9 V or more? 		 Go to Step 5. Go to Step 3.
3 
  1. Turn ignition switch to OFF.
  2. Check for proper connection to ABS hydraulic unit / control module connector at terminals "E43-13" and "E43-26".
  3. If OK then turn ignition switch to ON and measure resistance between each terminal of "E43-13" and "E43-26" and vehicle body ground.

Is resistance less than 2 Ω? 		 Go to Step 4. "BLK" wire circuit in open or high resistance.
4 
  1. Measure voltage between positive battery terminal and vehicle body ground with engine running.

Is voltage 9 V or more? 		 Imperfect short between "WHT/BLU" wire circuit and body ground. Check charging system referring to GENERATOR SYMPTOM DIAGNOSIS
5 
  1. Measure voltage between terminals "E43-1" and "E43-13" with engine running.

Is voltage 18 V or less? 		 Poor connection of "E43-1" and/or "E43-13" terminals. If the terminals are in good condition, substitute a known-good ABS hydraulic unit / control module and recheck. Check charging system referring to GENERATOR SYMPTOM DIAGNOSIS
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