[17] ENGINE AND EMISSION CONTROL - - AUTO-CRUISE CONTROL <4G64-VEHICLES WITH AUTO-CRUISE CONTROL SYSTEM> - DIAGNOSTIC TROUBLE CODE PROCEDURES - Code No.11 Auto-cruise Vacuum Pump Drive System | PRINT PAGE / INDEX / PRIOR / NEXT

DIAGNOSTIC TROUBLE CODE PROCEDURES

Code No.11 Auto-cruise Vacuum Pump Drive System
DIAGNOSIS CODE SET CONDITIONS This diagnosis code is set if the release valve, control valve or motor drive signals from the auto-cruise vacuum pump are not input to the auto-cruise control-ECU.
PROBABLE CAUSES Malfunction of the connector. Malfunction of the harness. Malfunction of the auto-cruise vacuum pump. Malfunction of the auto-cruise control-ECU.
DIAGNOSIS PROCEDURE
STEP 1. Check the auto-cruise vacuum pump. Refer to . Q: Is the check result normal? YES: Go to Step 2. NO: Replace the auto-cruise vacuum pump (Refer to ). Then go to Step 5.
STEP 2. Check auto-cruise vacuum pump connector A-03, auto-cruise control-ECU connector C-113 and intermediate connectors C-14 and C-106 <R.H. drive vehicles only>. Q: Is the check result normal? YES: Go to Step 3. NO: Repair or replace connector. Then go to Step 5.
STEP 3. Check the harness between the auto-cruise vacuum pump connector A-03 and auto-cruise control-ECU connector C-113. Q: Is the check result normal? YES: Go to Step 4. NO: Repair harness. Then go to Step 5.
STEP 4. Check the MUT-II/III diagnosis code No. 11. Q: Is the MUT-II/III diagnosis code No. 11 set? YES: Replace the auto-cruise control-ECU (Refer to ). Then go to Step 5. NO: This malfunction is intermittent (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points ).
STEP 5. Check the MUT-II/III diagnosis code No. 11. Q: Is the MUT-II/III diagnosis code No. 11 set? YES: Return to Step 1. NO: This procedure is complete.

[17] ENGINE AND EMISSION CONTROL - - AUTO-CRUISE CONTROL <4G64-VEHICLES WITH AUTO-CRUISE CONTROL SYSTEM> - DIAGNOSTIC TROUBLE CODE PROCEDURES - Code No.11 Auto-cruise Vacuum Pump Drive System | PRINT PAGE / INDEX / PRIOR / NEXT

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