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6-3-146 ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z13DT ENGINE)
C-13, Intake Air Temperature Sensor Circuit
Test Table (For RM413D)
Test
Work Order Description
T01
Check: Short to Voltage/Ground/Interruption of Signal Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
MAF and IAT Sensor
• Ignition ON
• Measure voltage between the following terminals:
MAF and IAT Sensor – Wiring harness connector (wiring harness side)
terminal C79-1
&
Ground
Yes: T02
T02
Check: Component
• Scan Tool Data List Parameter
Intake Air Temperature
Yes: T03
T03
Check: Circuit Interruption of Ground Circuit
• Connect fused jumper wire to:
MAF and IAT Sensor – Wiring harness connector (wiring harness side)
terminal C79-1
&
MAF and IAT Sensor – Wiring harness connector (wiring harness side)
terminal C79-3
• Scan Tool Data List Parameter
Intake Air Temperature
Yes: E01
T04
Check: Short to Voltage/Ground/Interruption of Signal Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
MAF and IAT Sensor
• Ignition ON
• Measure voltage between the following terminals:
MAF and IAT Sensor – Wiring harness connector (wiring harness side)
terminal C79-1
&
Ground
Yes: E04
Nominal Value
4.8 ... 5.2 V
No: T04
greater than 4.8 V
No: E03
less than 0.3 V
No: E02
greater than 5.2 V
No: E05
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