Tips and Precautions
Before Troubleshooting
1. Check applicable fuses in the appropriate fuse/relay
box.
2. Check the battery for damage, state of charge, and
clean and tight connections.
NOTICE
Do
Engine Compartment
VSA MODULATOR-CONTROL UNIT
AUXILIARY UNDER-HOOD
RELAY BOX
POWER MIRROR
DEFOGGER RELAY
PCM
RADIATOR FAN RELAY
ELECTRONIC THROTTLE CONTROL SYSTEM (ETCS) CONTROL RELAY
ELD U
Connector Index
Identification numbers have been assigned to in-line connectors, junction
connectors, and terminals. The number is preceded by the letter ºC" for
connectors "G" for ground terminals
WARNING
A battery can explode if you do not follow the
proper procedure, causing serious injury to anyone
nearby. Follow all procedures carefully and keep
sparks and open flames away from the battery.
Use an ED-18 Battery Tester, and follow the
manufacturer's procedures. If you don't have one of
the
DTC P0721: Problem in Output Shaft
(Countershaft) Speed Sensor Circuit
DTC P0722: Problem in Output Shaft
(Countershaft) Speed Sensor Circuit (No
Signal Input)
NOTE:
Before you troubleshoot, record all freeze data and any on-board
snapshot, and review General Troubleshooting Information.
This c