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2-7 [T9H11
FUEL INJECTION SYSTEM
1 . CHECK POWER SUPPLY VOLTAGE FOR ECU .
1) Turn ignition switch to "ON".
2) Measure voltage between ECU connector and body
Connector £r Terminal/Specified voltage
(1362) No . 14 - Body/10 V, min .
2. CHECK HARNESS CONNECTOR BETWEEN
ECU AND MAIN RELAY.
1) Turn ignition switch to "OFF".
2) 'Disconnect connector from ECU and main relay.
3) Measure resistance of harness connector between
ECU and main relay.
5. CHECK HARNESS CONNECTOR BETWEEN
ECU AND SOLENOID VALVE .
1) Turn ignition switch to "OFF" .
2) Disconnect ECU connectors.
3) Separate throttle body from collector, and discon-
nect connector from by-pass air control solenoid valve .
4) Measure resistance of harness connector between
ECU and solenoid valve.
Connector fr Terminal/Specified resistance
(1362) No . 2 - (E15) No . 3/0 f2
(1362) No . 1 - (E15) No . 1/0 f2
Connector & Terminal/Specified resistance
(1362) No . 14 - (1352) No. 4/0 f2
3. CHECK POWER SUPPLY CIRCUIT OF MAIN
RELAY.
1) Turn ignition switch to "ON" .
2) Measure voltage between main relay connector and
body .
Connector Er Terminal/Specified voltage
(1352) No . 1 - Body/10 V, min.
(1352) No . 2 - Body/10 V, min.
4. CHECK INPUT SIGNAL FROM BY-PASS AIR
CONTROL SOLENOID VALVE.
1) Turn ignition switch to "ON".
2) Measure voltage between ECU connector and body .
B62
1
1 1 2 1 3 1 4 S 1 6 1 7 1 8 9 1 101 11 1 121 13 1
14 1516171819 20 2122 23 24 25 2b
E15
123
00
I
p00
0e
C2-358
Fig. 74
Connector £r Terminal/Specified voltage
(1362) No . 2 - Body/7 V, min.
(1362) No. 1 - Body/6 V, min .
72
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Troubleshooting
