TROUBLESHOOTING
F2–175
F2
End Of Sie
5 Is there continuity between PCM GND terminals
65, 85, 103, 104 and GND?
Yes Go to next step.
No Repair or replace wiring harness.
6 Measure voltage between PCM GND terminals
65, 85, 103, 104 and coil terminal C.
Is the voltage below 1.0?
Yes Go to next step.
No Repair or replace wiring harness.
7 Turn engine switch to ON.
Access VPWR PID.
Is VPWR PID okay?
Specification
Battery voltage
Yes Go to next step.
No Repair or replace wiring harness.
8 Disconnect coil connector.
Turn engine switch to ON.
Is there battery voltage at coil connector terminal
D (harness-side)?
Yes Inspect for following:
• Open or short circuit between coil terminal A and
PCM terminal 80
• Open or short circuit between coil terminal B and
PCM terminal 28
No Repair or replace wiring harness between coil
connector terminal D and fuse panel.
9 Is there continuity between PCM terminal 57 and
starter relay?
Yes Go to next step.
No Repair replace wiring harness.
10 Inspect following:
• Battery connection
• Battery condition
• Fuses
Are all items okay?
Yes Go to next step.
No Service as necessary.
Repeat Step 10.
11 Is clicking sound heard from starter when engine
switch is turned to START?
Yes Go to Step 13.
No Go to next step.
12 Inspect starting system.
Is starting system okay?
Yes Inspect for seized/hydrolocked engine, flywheel.
No Repair or replace components as required.
13 Do any other electrical accessories work? Yes Go to next step.
No Inspect charging system.
14 Connect WDS or equivalent to DLC-2.
Turn engine switch to ON.
Retrieve any DTC.
Is DTC displayed?
Yes DTC is displayed:
Go to appropriate DTC test.
Communication error message is displayed:
Inspect for following:
• Open circuit between PCM control relay and PCM
terminal 53 or 79
• Open circuit PCM control relay and PCM terminal
69
• PCM control relay stuck open
• Open or poor GND circuit (PCM terminal 65, 85,
103 or 104)
• Poor connection vehicle body GND
No No DTC is displayed:
Inspect for following:
• START circuit in engine switch
• Open circuit between engine switch and starter
15 Verify test results.
• If okay, return to diagnostic index to service any additional symptoms.
• If malfunction remains, replace PCM. (See F2–64 PCM REMOVAL/INSTALLATION)
STEP INSPECTION RESULTS ACTION
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