TROUBLESHOOTING GUIDE — 21 ENGINE STALLS SUDDENLY (INTERMITTENT)
F-51prose procedure21 ENGINE STALLS SUDDENLY (INTERMITTENT)
DESCRIPTION:
- Engine intermittently stops running
- Before stalling, engine condition OK
NOTE
[TROUBLESHOOTING HINTS]
① Intermittently no spark or no fuel injection
• Poor connection in wiring harness
Troubleshooting Guide (steps 1–2)
1
INSPECTIONCheck if "00" is displayed on Self-Diagnosis Checker with ignition switch ON (page F-78)
RESULTYes
ACTIONGo to next step
1
INSPECTIONCheck if "00" is displayed on Self-Diagnosis Checker with ignition switch ON (page F-78)
RESULTNo
ACTIONMalfunction Code No. displayed
Check for cause (Refer to specified check sequence) (page F-80)
Note: When checking wiring harness and connectors, tap, move, and wiggle suspect sensor and/or harness to recreate problem
"88" flashes
Check ECU terminal 1F voltage (page F-128)
Voltage: Approx. 12V (Ignition switch ON)
- If OK, replace ECU (page F-127)
- If not OK, check wiring between ECU and Self-Diagnosis Checker (page F-7)
2
INSPECTIONCheck if ECU terminal voltages are OK (1B, 2A, 2B and 2C) (page F-128)
Note: When checking voltages, tap, move, and wiggle harness and connector
RESULTYes
ACTIONGo to Troubleshooting No.2 "CRANKS NORMALLY BUT WILL NOT START (NO COMBUSTION)" (page F-82)
2
INSPECTIONCheck if ECU terminal voltages are OK (1B, 2A, 2B and 2C) (page F-128)
Note: When checking voltages, tap, move, and wiggle harness and connector
RESULTNo
ACTIONCheck for cause (Refer to "Check Point for Each Terminal") (page F-131)