FAILURE DIAGNOSIS
1-72
TNV DI Service Manual
DTCs (Diagnostic Trouble Codes) General Description
Start Assist Relay
(1) P1232/4: Failure A with Start Assist Relay
DTC Detecting Conditions
Movement at Error occurrence
Estimation of Failure cause/Error condition
• The connector may not be properly connected.
• Wiring defect of the harness
•
The start assist relay wiring may be disconnected or short-circuited with POWER SUPPLY.
• The start assist relay may be faulty.
•
Disconnection of Start Assist Relay inner wiring
• The E-ECU internal circuitry may be faulty.
DTC
P1232/4
Failure A with Start Assist Relay
1 - Precondition; 2 - Detecting condition(s); 3 - Flashing pattern of failure indicator
Check points
1. Key switch ON.
2. Make an assessment logically as to followings.E-ECU detects the start assist
relay turning ON during the command to turn OFF the start assist relay.
3. One flash followed by five flashes.
Connector
Harness
Start Assist Relay
E-ECU
Error Mode
[Run As Is]:
After detecting the error, the system lets the engine continue to run without any
restrictions.
Run restricted?
No.
Recovery
Conditions
No.
Remarks
TNV_DI_SM_A4-Troubleshooting.book 72 ページ 2007年11月15日 木曜日 午後5時27分