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2 CHECK THROTTLE CONTROL MOTOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 107 and engine ground.
Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to power.
OK or NG
OK © GO TO 3.
NG © Repair open circuit or short to power in harness or connectors.
3 CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-I
1. Reconnect harness connector disconnected.
2. Check voltage between ECM terminal 102 and ground under the following conditions with CONSULT-II or tester.
MTBL1168
OK or NG
OK © GO TO 12.
NG © GO TO 4.
4 CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect throttle control motor relay.
SEC044D
3. Check voltage between throttle control motor relay terminals 2, 5 and ground with CONSULT-II or tester.
SEC091D
Voltage: Battery voltage
OK or NG
OK © GO TO 6.
NG © GO TO 5.
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
Diagnostic Procedure (Cont’d)
EC-477
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