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2 DETECT MALFUNCTIONING PART
Check the following.
I 15A fuse
I Harness for open and short between throttle control motor relay and fuse
© Repair open circuit or short to ground or short to power in harness or connectors.
3 CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 102 and throttle control motor relay terminal 3.
Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
OK © GO TO 5.
NG © GO TO 4.
4 DETECT MALFUNCTIONING PART
Check the following.
I Harness connector E15, F18
I Harness for open and short between throttle control motor relay and ECM
© Repair open circuit or short to ground or short to power in harness or connectors.
5 CHECK THROTTLE CONTROL MOTOR RELAY OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 26 and throttle control motor relay terminal 1.
Refer to Wiring Diagram.
Continuity should exist.
2. Also check harness for short to ground and short to power.
OK or NG
OK © GO TO 7.
NG © GO TO 6.
6 DETECT MALFUNCTIONING PART
Check the following.
I Harness connector E81, M15
I Harness connectors M162, F55
I Harness for open and short between throttle control motor relay and ECM
© Repair open circuit or short to ground or short to power in harness or connectors.
7 CHECK THROTTLE CONTROL MOTOR RELAY
Refer to “Component Inspection”, EC-486.
OK or NG
OK © GO TO 8.
NG © Replace throttle control motor relay.
8 CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-156.
© INSPECTION END
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
Diagnostic Procedure (Cont’d)
EC-485
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