SELF-DIAGNOSIS FUNCTION
F-82flowchartCODE NO.02 Ne-SIGNAL
1
Are there any poor connections in crank angle sensor circuit?
Yes
Repair or replace connector
No
2
Is Code No.03 present at same time?
No
return to step 5
Yes
3
Is there continuity between crank angle sensor terminal-wire (B/LG) and ground?
No
Check for open circuit in wiring from crank angle sensor to ground
Yes
4
Is there battery voltage at crank angle sensor terminal-wire (W/R)?
No
Check for open circuit in wiring from crank angle sensor to main relay
Yes
5
Is there continuity between crank angle sensor and ECU? Crank angle sensor C(W) – ECU 2E
No
Check for open circuit in wiring from crank angle sensor to ECU
Yes
6
Is there approx. 5V at ECU terminal 2E? (With crank angle sensor connector disconnected)
No
Replace ECU (Refer to page F-127)
Yes
7
Is there approx. 5V at crank angle sensor terminal-wire (W)? (At harness-side connector with connector disconnected)
No
Check for short circuit in wiring from crank angle sensor to ECU
Yes
8
Replace crank angle sensor (Refer to page F-134)
CODE NO.03 G-SIGNAL
1
Are there any poor connections in crank angle sensor circuit?
Yes
Repair or replace connector
No
2
Is Code No.02 also present?
No
return to step 5
Yes
3
Is there continuity between crank angle sensor terminal-wire (B/LG) and ground?
No
Check for open circuit in wiring from crank angle sensor to ground
Yes
4
Is there battery voltage at crank angle sensor terminal-wire (W/R)?
No
Check for open circuit in wiring from crank angle sensor to main relay
Yes
5
Is there continuity between crank angle sensor and ECU? Crank angle sensor D(Y/L) – ECU 2G
No
Check for open circuit in wiring from crank angle sensor to ECU
Yes
6
Is there approx. 5V at ECU terminal 2E? (With crank angle sensor connector disconnected)
No
Replace ECU (Refer to page F-127)
Yes
7
Is there approx. 5V at crank angle sensor terminal-wire (Y/L)? (At harness-side connector with connector disconnected)
No
Check for short circuit in wiring from crank angle sensor to ECU
Yes
8
Replace crank angle sensor (Refer to page F-134)